Julian J. Bussgang
Julian Jakub Bussgang (26 March 1925 – 16 September 2023) was a Polish-American mathematician, businessman and author. He was most known for publishing the Bussgang theorem and for his work in the field of Applied Physics and communications. He published several technical papers and held six patents. Bussgang was born in Poland in 1925 into an assimilated Jewish family. Two weeks after the Nazis invaded Poland in September 1939, Bussgang's family fled Poland for fear of religious persecution.