John W. Lyons Credit: NIST Download | Image info John W. Lyons, a chemist who served as director of the National Institute of Standards and Technology (NIST) from 1990 to 1993 and guided the organization as its mission expanded in support of U.S. industry, died on March 14 in Frederick, Maryland. He was 93 years old. President George H.W. Bush appointed Lyons to be the ninth director of NIST in 1990. He first came to the agency, then called the National Bureau of Standards (NBS), in 1973, follow...