avia.wikisort.org - Designer

Helmut Hoelzer[5] was a Nazi Germany V-2 rocket engineer who was brought to the United States under Operation Paperclip. Hoelzer was the inventor and constructor of the world's first electronic analog computer.[6]

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Helmut Hölzer (English: Hoelzer)
Helmut Hölzer in Huntsville, Alabama
Born	(1912-02-27)February 27, 1912 Bad Liebenstein, Thüringen, German Empire
Died	October 12, 1996(1996-10-12) (aged 84) Huntsville, Alabama, United States
Alma mater	Technische Hochschule Darmstadt
Known for	Designing an electronic simulator for the V-2 rocket control system.[1][2]
Awards	Paul Ehrlich and Ludwig Darmstaedter Prize (1963)
Scientific career
Fields	Electrical Engineering,[3] Applied mathematics
Institutions	1933-tbd: teaching 1939: Telefunken (Berlin) 1939-1945: Peenemünde 1940's-1950's: Fort Bliss/WSPG 1950's-1950's: Redstone Arsenal 1950's-1960's: ABMA 1960-1970's: Marshall Space Flight Center (Director, Computation Division)[4]

Life

In October 1939, while working for the Telefunken electronics firm in Berlin, Hoelzer met with Ernst Steinhoff,[7] Hermann Steuding, and Wernher von Braun regarding guide beams for a flying body.[Neufeld 1] In late 1940 at Peenemünde, Hoelzer was head of the guide beam division[Neufeld 2] (assistant Henry Otto Hirschler[8]), which developed a guide-plane system which alternates a transmitted signal from two antennas a short distance apart, as well as a vacuum tube mixing device (German: Mischgerät)[9] which corrected for momentum that would perturb an object that had been moved back on-track.[Neufeld 3] By the fall of 1941, Hoelzer's "mixing device" was used to provide V-2 rocket rate measurement instead of rate gyros.[Neufeld 4]

Then at the beginning of 1942, Hoelzer built an analog computer to calculate and simulate[8][10][11] V-2 rocket trajectories[Neufeld 5][12] Hoelzer's team also developed the Messina telemetry system.[3] After evacuating Peenemünde for the Alpenfestung (Alpine Fortress), Hoelzer returned to Peenemünde via motorcycle to look for portions of his PhD dissertation[5] prior to surrendering to United States forces at the end of World War II.

Hoelzer was a student of Alwin Walther.[6]

Family

One of his grandchildren is Olympic swimmer Margaret Hoelzer.

References

Sources

• Neufeld, Michael J (1995). The Rocket and the Reich: Peenemünde and the Coming of the Ballistic Missile Era. New York: The Free Press. pp. 104, 106, 107, 140.

External links

• Helmut Hoelzer Collection, The University of Alabama in Huntsville Archives and Special Collections

На других языках

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[de] Helmut Hölzer

Helmut Hölzer (* 27. Februar 1912 in Bad Liebenstein; † 19. August 1996 in Huntsville (Alabama)) war ein deutscher Computer- und Raketenpionier.

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- [en] Helmut Hölzer

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