Education
South Dakota School of Mines and Technology, Bachelor of Surgery Electrical Engineering 1943Carnegie Institute of Technology, Doctor of Science Physics 1951 – 1953.
South Dakota School of Mines and Technology, Bachelor of Surgery Electrical Engineering 1943Carnegie Institute of Technology, Doctor of Science Physics 1951 – 1953.
He was a coinventor of the radio-frequency superconducting quantum interference device (SQUID) and he is credited with coining the term. Westinghouse Research Laboratory, Pittsburgh Pennsylvania - 1943 – ?? Smithsonian Institution, 1953 – 1955 Ford Motor Company, Scientific Laboratory in Dearborn, Michigan, 1955 – 1969 National Bureau of Standards, 1970 – 1985 While at The National Institute of Standards and Technology, Jim introduced two important innovations in SQUID magnetometry: Fractional-turn SQUID, improving the coupling efficiency SQUID gradiometer, improving sensitivity to nearby fields In addition, in the late 70"s and early 80"s, he also gave a major contribution to the development of low-power closed-cycle Stirling refrigerators, to reach temperatures in the range 4K - 8K with the purpose of cooling SQUID devices and small-scale superconducting electronics without resorting to liquid helium dewar vessels. Later, he was also involved in the development of pulse-tube cryocoolers.
On New Year"s Eve of 1969, he participated in an historic experiment, conducted at Massachusetts Institute of Technology in collaboration with David Cohen and Edgar Edelsak recording the first human magnetocardiogram using a SQUID sensor.
The National Institute of Standards and Technology FellowSamuel Wesley Stratton Award, the highest award for scientific achievement conferred by The National Institute of Standards and Technology In 1987 he became one of the first to make a SQUID using the newly discovered high-temperature superconductors.