Mr. Hertz was the son-in-law of Mr. and Mrs. George Schaal of Gillett, his wife being the former Carman Schaal. He is survived by his wife; a son, Leonard, who is a student at the University of Wisconsin, and a daughter, Dorothy Ann, who is Mrs. Bojarski. His mother, Mrs. Henry Clocke, of Weyauwega, a sister and three brothers also survive.
Mr. Hertz was born in Weyauwega. He was a graduate of Marquette University. An electrical engineer, he had been working for the Bucyrus Erie Company in Milwaukee for nearly a quarter of a century. He served in the navy during the First World War. He was interested in scouting and was a scoutmaster, was active in the Methodist church in South Milwaukee, and prominent in fraternal and civic circles.