American engineer, inventor and science administrator, Vannevar Bush, died on this day, June 28, in 1974 (b. 1890).

During World War II, Bush headed the U.S. Office of Scientific Research and Development (OSRD). He was photographed by Karsh in 1950, the year legislation to create the National Science Foundation passed through Congress and was signed into law by President Truman. The Foundation is a United States government agency that supports fundamental research and education in all the non-medical fields of science and engineering; Bush was chiefly responsible for the movement that led to its creation.