Complex sentence: Walter Hoving (December 2,1897--November 27,1989) was a Swedish-born American businessman and head of Tiffany & Company from 1955 to 1980.
Split into simpler sentences: Walter Hoving (December 2,1897--November 27,1989) was a Swedish-born American businessman. He was the chairman of Tiffany & Company from 1955 to 1980.