Alfred E. Mann

Alfred E. Mann (1925 – February 25, 2016), also known as Al Mann, was an American entrepreneur and philanthropist. In 1956, Mann founded Spectrolab, the first of his aerospace companies. He also founded Heliotek, a semiconductor company, that became a major supplier of solar cells for spacecraft.
Mann died from a heart attack on February 25, 2016 after collapsing on an airplane before it took off in Las Vegas, Nevada at the age of 90.