Joseph Edward Mayer
He was professor of chemistry at the University of California, San Diego from 1960 to 1973. He was married to Nobel Prize-winning physicist Maria Goeppert Mayer from 1930 until her death in 1972. He went to work with James Franck in Göttingen, Germany in 1929, where he met Maria, a student of Max Born. Joseph Mayer was president of the American Physical Society from 1973 to 1975.
He developed the cluster expansion method and Mayer-McMillan solution theory.