William Elroy Meyer was 18 when he was last seen in San Francisco on May 7, 1972. He was 5 feet 10 inches, about 160 pounds, with brown hair and blue eyes.

Few details are available about the circumstances of his disappearance beyond that he vanished without a trace. His case remains open in missing persons databases, and there has been little public information or notable developments in the decades since.

Did anyone in San Francisco or Fond Du Lac in 1972 have information about William Meyer’s movements or contacts around May 7?