Jabez C. Street; Developed Microwave Radar, Discovered Muons

Jabez C. Street, 83, retired professor of physics at Harvard University who developed microwave radar during World War II and was best known for his discovery of the muon particle. He began his research on cosmic rays in 1931 and eventually developed detectors for subatomic particles and a feedback voltage regulator. In Charleston, S.C., on Tuesday.