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Gerhard Neumann

Gerhard Neumann
Born (1917-10-08)October 8, 1917
Frankfurt (Oder), Germany
Died November 2, 1997(1997-11-02)
Occupation executive, engineer
Spouse(s) Clarice Neumann
Awards Daniel Guggenheim Medal (1979)

Gerhard Neumann (October 8, 1917 – November 2, 1997) was a German-American aviation engineer and executive for General Electric's aircraft engine division (which today is called GE Aviation). Born and raised in Germany, he went to China shortly before World War II and ended up being an aircraft mechanic for the United States Army Air Forces there. He became a German American and went on to a career in the aerospace manufacturing industry.

Contents

  • Childhood and education 1
  • Off to China 2
  • Return to China 3
  • Jet engine innovator 4
  • Retirement 5
  • References 6
  • Bibliography 7
  • External links 8

Childhood and education

Neumann was born in Frankfurt (Oder) in the Prussian Province of Brandenburg.[1] His parents Siegfried and Frieda were non-practicing "Jewish Germans".[2] As a teenager, Neumann apprenticed under a master auto mechanic, surnamed Schroth, who followed the traditional Prussian lifestyle of "First the work, then the pleasure."[3] In 1935, Neumann entered the well-regarded technical college Ingenieurschule Mittweida[4] and earned very high grades. With other students from the college, he learned to construct and pilot a one-person glider. His experience as an engine mechanic, an aircraft designer, and as a practical engineer would prove very useful in his career.

Off to China

The winds of war were growing in Nazi Germany, and alliances were murky and shifting. In late 1938, Neumann saw a bulletin board posting at Mittweida saying that Chinese Generalissimo Chiang Kai-shek needed engineers in his fight against Japanese invaders. Engineers who got the jobs would receive deferment from conscription into the German army.[5] Neumann decided to leave his family and embark on a long journey to the British colony of Hong Kong in May 1939. But upon arriving in Hong Kong, he found that the company for which he was to work for had disappeared. Fortunately, his skills as an auto mechanic were in great demand.

A few months later, on 1 September 1939, Germany invaded Poland. On 3 September, the United Kingdom declared war on Germany, and all Germans in Hong Kong were rounded up and interned in La Salle College, Kowloon,[6] a Christian Brothers High School for boys. Neumann was interned in the school together with some 100 Germans for several months. The British in Hong Kong considered any German citizen a potential fifth column and revoked his passport. No embassy would talk to him.

Luckily, Neumann had a chance meeting with W. Langhorne Bond of the China National Aviation Corporation (CNAC). The company arranged for Neumann to enter China without a passport.[7] He flew to Kunming, capital of the remote Yunnan province, and there he contacted the Chinese Air Force. He worked as an auto mechanic until the Pearl Harbor attack, when he accepted an offer from Colonel Claire Lee Chennault, who had established the Chinese Air Force with Madame Chiang Kai-shek, to work in support of that Air Force.

As the war with Japan progressed, the Chinese Air Force became the American Volunteer Group (AVG), nicknamed the "Flying Tigers."[8] Neumann was part of the Headquarters Squadron as a Propeller Specialist.[9] While with the Flying Tigers, Neumann was nicknamed "Herman the German". When the AVG was replaced by the U.S. Army Air Forces, Neumann was inducted into the USAAF in July 1942 although he was not yet a U.S. citizen.[10] He helped the effort against the Japanese in many important ways. He led dangerous supply convoys, he performed all types of mechanical repairs on P-40 aircraft, he translated to and from Chinese, he assembled a working enemy Zero fighter from crash parts to assess its flight characteristics (the other such Zero was the Akutan Zero), and he even directed bombing attacks from the ground while disguised as a Chinese coolie.

Eventually Neumann was dispatched to Washington, D.C., where he met his future wife Clarice. Yet for all of Neumann's heroism in China, as a German he was still considered an enemy alien. It took an act of the United States Congress to correct this.[11] After the war, he was finally permitted to work for Douglas Aircraft Research.

Return to China

In late 1946, Chennault offered Neumann an engineering position[12] with Chinese National Relief and Rehabilitation Airline, a new airline Chennault was forming using war-surplus C-46 transports. Neumann accepted, and on their way to China he and Clarice were married.[13]

In the year that followed, the Chinese Civil War was raging and the Communist People's Liberation Army was taking over China. The Neumanns had no choice but to attempt to return to the United States. They chose an unusual route. Instead of flying or sailing across the Pacific, Clarice suggested that they drive over the Asian continent towards North Africa.[14] Thus began their incredible and quite dangerous journey to the Mediterranean Sea, via Siam (now Thailand), Burma, India, Afghanistan, Iraq, and Palestine. Most border crossings were dangerous, because by 1948 most countries in Asia were undergoing political turmoil. Finally, after a journey of many thousands of miles on poor roads by Jeep, Gerhard, Clarice and their dog "Mr Chips" arrived in Tel Aviv and were able to travel conventionally to New York City.

Jet engine innovator

In March 1948, Neumann began work as a simple test engineer for the General Electric Aircraft Gas Turbine Division, located in Lynn, Massachusetts.[15] There he drove many innovations in jet engine design, most famously the "variable stator" that fine-tunes air compression at the inlet. His J79 jet engine enabled aircraft such as the F-104 to reach air speeds of Mach 2; The development team (Neumann, Neil Burgess, and Clarence L. Johnson of Lockheed) were awarded the Collier Trophy for 1958. Yet even as a Vice President of General Electric, he piloted various jet fighters during the 1960s to personally understand the engines' performance.

A major success for GE was his guiding the design and development of the huge high-bypass turbofan jet engines (or simply called "fanjets") that now power the largest commercial and military cargo aircraft. These include the TF39, CF6, and (in 50/50 collaboration with SNECMA[16]) the CFM56.

Retirement

Neumann retired from GE on January 1, 1980, after 32 years of service.[17] He remained active in retirement, until he developed leukemia and died on November 2, 1997.

The Gerhard Neumann Museum[18] in Niederalteich, Bavaria, honors his contributions to aviation.

The Massachusetts Institute of Technology Aeronautics and Astronautic Department's Neumann Hangar facility in Cambridge, Massachusetts, is named in his honor.

His autobiography "Herman the German: Just Lucky I Guess"[19] chronicles his life.

GE Aviation, located in Evendale, Ohio, is on 1 Neumann Way. This facility was over 4.5 million square feet under roof at its height.

References


-- Module:Hatnote -- -- -- -- This module produces hatnote links and links to related articles. It -- -- implements the and meta-templates and includes -- -- helper functions for other Lua hatnote modules. --


local libraryUtil = require('libraryUtil') local checkType = libraryUtil.checkType local mArguments -- lazily initialise Module:Arguments local yesno -- lazily initialise Module:Yesno

local p = {}


-- Helper functions


local function getArgs(frame) -- Fetches the arguments from the parent frame. Whitespace is trimmed and -- blanks are removed. mArguments = require('Module:Arguments') return mArguments.getArgs(frame, {parentOnly = true}) end

local function removeInitialColon(s) -- Removes the initial colon from a string, if present. return s:match('^:?(.*)') end

function p.findNamespaceId(link, removeColon) -- Finds the namespace id (namespace number) of a link or a pagename. This -- function will not work if the link is enclosed in double brackets. Colons -- are trimmed from the start of the link by default. To skip colon -- trimming, set the removeColon parameter to true. checkType('findNamespaceId', 1, link, 'string') checkType('findNamespaceId', 2, removeColon, 'boolean', true) if removeColon ~= false then link = removeInitialColon(link) end local namespace = link:match('^(.-):') if namespace then local nsTable = mw.site.namespaces[namespace] if nsTable then return nsTable.id end end return 0 end

function p.formatPages(...) -- Formats a list of pages using formatLink and returns it as an array. Nil -- values are not allowed. local pages = {...} local ret = {} for i, page in ipairs(pages) do ret[i] = p._formatLink(page) end return ret end

function p.formatPageTables(...) -- Takes a list of page/display tables and returns it as a list of -- formatted links. Nil values are not allowed. local pages = {...} local links = {} for i, t in ipairs(pages) do checkType('formatPageTables', i, t, 'table') local link = t[1] local display = t[2] links[i] = p._formatLink(link, display) end return links end

function p.makeWikitextError(msg, helpLink, addTrackingCategory) -- Formats an error message to be returned to wikitext. If -- addTrackingCategory is not false after being returned from -- Module:Yesno, and if we are not on a talk page, a tracking category -- is added. checkType('makeWikitextError', 1, msg, 'string') checkType('makeWikitextError', 2, helpLink, 'string', true) yesno = require('Module:Yesno') local title = mw.title.getCurrentTitle() -- Make the help link text. local helpText if helpLink then helpText = ' (help)' else helpText = end -- Make the category text. local category if not title.isTalkPage and yesno(addTrackingCategory) ~= false then category = 'Hatnote templates with errors' category = string.format( '%s:%s', mw.site.namespaces[14].name, category ) else category = end return string.format( '%s', msg, helpText, category ) end


-- Format link -- -- Makes a wikilink from the given link and display values. Links are escaped -- with colons if necessary, and links to sections are detected and displayed -- with " § " as a separator rather than the standard MediaWiki "#". Used in -- the template.


function p.formatLink(frame) local args = getArgs(frame) local link = args[1] local display = args[2] if not link then return p.makeWikitextError( 'no link specified', 'Template:Format hatnote link#Errors', args.category ) end return p._formatLink(link, display) end

function p._formatLink(link, display) -- Find whether we need to use the colon trick or not. We need to use the -- colon trick for categories and files, as otherwise category links -- categorise the page and file links display the file. checkType('_formatLink', 1, link, 'string') checkType('_formatLink', 2, display, 'string', true) link = removeInitialColon(link) local namespace = p.findNamespaceId(link, false) local colon if namespace == 6 or namespace == 14 then colon = ':' else colon = end -- Find whether a faux display value has been added with the | magic -- word. if not display then local prePipe, postPipe = link:match('^(.-)|(.*)$') link = prePipe or link display = postPipe end -- Find the display value. if not display then local page, section = link:match('^(.-)#(.*)$') if page then display = page .. ' § ' .. section end end -- Assemble the link. if display then return string.format('%s', colon, link, display) else return string.format('%s%s', colon, link) end end


-- Hatnote -- -- Produces standard hatnote text. Implements the template.


function p.hatnote(frame) local args = getArgs(frame) local s = args[1] local options = {} if not s then return p.makeWikitextError( 'no text specified', 'Template:Hatnote#Errors', args.category ) end options.extraclasses = args.extraclasses options.selfref = args.selfref return p._hatnote(s, options) end

function p._hatnote(s, options) checkType('_hatnote', 1, s, 'string') checkType('_hatnote', 2, options, 'table', true) local classes = {'hatnote'} local extraclasses = options.extraclasses local selfref = options.selfref if type(extraclasses) == 'string' then classes[#classes + 1] = extraclasses end if selfref then classes[#classes + 1] = 'selfref' end return string.format( '
%s
', table.concat(classes, ' '), s )

end

return p-------------------------------------------------------------------------------- -- Module:Hatnote -- -- -- -- This module produces hatnote links and links to related articles. It -- -- implements the and meta-templates and includes -- -- helper functions for other Lua hatnote modules. --


local libraryUtil = require('libraryUtil') local checkType = libraryUtil.checkType local mArguments -- lazily initialise Module:Arguments local yesno -- lazily initialise Module:Yesno

local p = {}


-- Helper functions


local function getArgs(frame) -- Fetches the arguments from the parent frame. Whitespace is trimmed and -- blanks are removed. mArguments = require('Module:Arguments') return mArguments.getArgs(frame, {parentOnly = true}) end

local function removeInitialColon(s) -- Removes the initial colon from a string, if present. return s:match('^:?(.*)') end

function p.findNamespaceId(link, removeColon) -- Finds the namespace id (namespace number) of a link or a pagename. This -- function will not work if the link is enclosed in double brackets. Colons -- are trimmed from the start of the link by default. To skip colon -- trimming, set the removeColon parameter to true. checkType('findNamespaceId', 1, link, 'string') checkType('findNamespaceId', 2, removeColon, 'boolean', true) if removeColon ~= false then link = removeInitialColon(link) end local namespace = link:match('^(.-):') if namespace then local nsTable = mw.site.namespaces[namespace] if nsTable then return nsTable.id end end return 0 end

function p.formatPages(...) -- Formats a list of pages using formatLink and returns it as an array. Nil -- values are not allowed. local pages = {...} local ret = {} for i, page in ipairs(pages) do ret[i] = p._formatLink(page) end return ret end

function p.formatPageTables(...) -- Takes a list of page/display tables and returns it as a list of -- formatted links. Nil values are not allowed. local pages = {...} local links = {} for i, t in ipairs(pages) do checkType('formatPageTables', i, t, 'table') local link = t[1] local display = t[2] links[i] = p._formatLink(link, display) end return links end

function p.makeWikitextError(msg, helpLink, addTrackingCategory) -- Formats an error message to be returned to wikitext. If -- addTrackingCategory is not false after being returned from -- Module:Yesno, and if we are not on a talk page, a tracking category -- is added. checkType('makeWikitextError', 1, msg, 'string') checkType('makeWikitextError', 2, helpLink, 'string', true) yesno = require('Module:Yesno') local title = mw.title.getCurrentTitle() -- Make the help link text. local helpText if helpLink then helpText = ' (help)' else helpText = end -- Make the category text. local category if not title.isTalkPage and yesno(addTrackingCategory) ~= false then category = 'Hatnote templates with errors' category = string.format( '%s:%s', mw.site.namespaces[14].name, category ) else category = end return string.format( '%s', msg, helpText, category ) end


-- Format link -- -- Makes a wikilink from the given link and display values. Links are escaped -- with colons if necessary, and links to sections are detected and displayed -- with " § " as a separator rather than the standard MediaWiki "#". Used in -- the template.


function p.formatLink(frame) local args = getArgs(frame) local link = args[1] local display = args[2] if not link then return p.makeWikitextError( 'no link specified', 'Template:Format hatnote link#Errors', args.category ) end return p._formatLink(link, display) end

function p._formatLink(link, display) -- Find whether we need to use the colon trick or not. We need to use the -- colon trick for categories and files, as otherwise category links -- categorise the page and file links display the file. checkType('_formatLink', 1, link, 'string') checkType('_formatLink', 2, display, 'string', true) link = removeInitialColon(link) local namespace = p.findNamespaceId(link, false) local colon if namespace == 6 or namespace == 14 then colon = ':' else colon = end -- Find whether a faux display value has been added with the | magic -- word. if not display then local prePipe, postPipe = link:match('^(.-)|(.*)$') link = prePipe or link display = postPipe end -- Find the display value. if not display then local page, section = link:match('^(.-)#(.*)$') if page then display = page .. ' § ' .. section end end -- Assemble the link. if display then return string.format('%s', colon, link, display) else return string.format('%s%s', colon, link) end end


-- Hatnote -- -- Produces standard hatnote text. Implements the template.


function p.hatnote(frame) local args = getArgs(frame) local s = args[1] local options = {} if not s then return p.makeWikitextError( 'no text specified', 'Template:Hatnote#Errors', args.category ) end options.extraclasses = args.extraclasses options.selfref = args.selfref return p._hatnote(s, options) end

function p._hatnote(s, options) checkType('_hatnote', 1, s, 'string') checkType('_hatnote', 2, options, 'table', true) local classes = {'hatnote'} local extraclasses = options.extraclasses local selfref = options.selfref if type(extraclasses) == 'string' then classes[#classes + 1] = extraclasses end if selfref then classes[#classes + 1] = 'selfref' end return string.format( '
%s
', table.concat(classes, ' '), s )

end

return p
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  18. ^ Gerhard Neumann Museum
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Bibliography

External links

  • Gerhard Neumann Museum
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