He stayed on at MIT in the Radiation Laboratory for three years and then moved to Sylvania Electric Products where he was responsible for the design and construction of radar sets and other military equipment.
He wrote the first symbolic assembler, which allowed programs to be written in short, readable commands rather than pure numbers or punch codes.
[6] The artificial intelligence programs developed at IBM began to generate a great deal of publicity and were featured in articles in both Scientific American and The New York Times.
In addition, IBM's marketing people had begun to notice that customers were frightened of the idea of "electronic brains" and "thinking machines".
"[7] In the 1960s, Rochester continued to work at IBM, directing research in cryogenics and tunnel diode circuits.