sentences:  By 1953, Mr. Olson converted Farmer's Produce to a USDA-inspected eviscerated turkey plant and developed the brand name Jennie-O—after Earl and Dorothy Olson's daughter, Jennifer, and the 'O' in Olson.He served as president and chief executive officer until 1974, when he became chairman of the board.He was chairman emeritus at the time of his death.