Stanley I. Landgraf (July 29, 1925 – June 29, 1997) was a business executive and the acting president of Rensselaer Polytechnic Institute from 1987-88. He was born on July 29, 1925 in Saugerties, New York. From 1943-1946, he served in the U.S. Navy as an officer on the destroyer USS Watts. He and his wife Barbara had three children; Curtis, Joseph and Sharon. He received bachelor's degrees in metallurgical engineering and management engineering from Rensselaer in 1946 and 1947 respectively. In 1947, he joined Mohawk Carpet Mills of Amsterdam, New York, which grew through mergers to become the Mohasco Corporation. In 1974, he was elected president of the company and in 1978, he was named chief executive officer. In 1980, he became chairman and in 1985 he retired from the company. From 1985-