Weitbrecht, Robert H., 1920-1983.
Robert H. Weitbrecht, born deaf in 1920, was a physicist, astronomer, electronic design engineer, and licensed ham radio operator best known for his invention of TTY, also known as the teletypewriter, TDD, or Telecommunication Device for the Deaf.
From the description of Robert Weitbrecht papers, 1931-1982. (University of California, Berkeley). WorldCat record id: 26872479
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