Curtis Allan Rosar, age 80, of Richmond, Indiana, died peacefully Monday, October 19, 2020, at Reid Health. Born November 1, 1939, in Scranton, Pennsylvania, to George Curtis and Marian Louise Allan Rosar, Allan was a life-long resident of Richmond. After graduating from Richmond High School in 1958, Allan earned a degree in industrial engineering from Lehigh University in 1962, where he was a member of the Phi Gamma Delta fraternity. Following graduation, Allan returned to Richmond to serve as president of Dunham Lehr, a farm equipment manufacturing company, with his father and his brother, Phil. Later, he became president of Productivity Corporation in Richmond and Pro Cal of California and founded and ran both Devco Realty and C. Allan Rosar and Associates.