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Memorial Tributes Volume 5 (1992) / Chapter Skim
Currently Skimming:

Jan A. Rajchman
Pages 228-231

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From page 229...
... He sought employment at RCA because of its early work in electronics, but found that there were no openings because of the great depression. He therefore attended the Massachussetts Institute of Technology summer session and in August was offered a job by RCA in an engineering testing laboratory where variable condensers for radio receivers were calibrated against standards by bending the condenser plates by hand.
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From page 230...
... He developed the memory system, including aspects of the tiny ferrite cores strung on wires, that were widely used in commercial computers for many years. The transfluxor, one of his inventions, used a multiaperture core to perform many analog storage and logic functions in a number of applications, including subway control systems and assembly line motor controls.
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From page 231...
... His efforts included working for the Defense Advanced Research Projects Agency in computer studies; as a consultant to AMP, Inc.; and as Visiting McKay Professor at the University of California, Berkeley. His family had a strong tradition of learning.
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Key Terms

  • electronic computer
  • published concepts
  • cores strung
  • effort emerged
  • nasa certificate

  • including magnetic
  • laboratory achievement
  • liebmann memorial
  • highly honored
  • multiaperture core

  • levy mecial
  • focused device
  • harold pender
  • logic circuits
  • technical career

  • manyyoung scientists
  • institute louis
  • memory device
  • lect efforts
  • thatwill endure

  • radio receivers
  • logic devices
  • electronically focused
  • line motor
  • technology summer

  • ferrite cores
  • variable condensers
  • emerging fields
  • tiny ferrite
  • awards include


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