Solomon Bennett Freehof (August 8, 1892 – June 12, 1990) was a prominent Reform rabbi, posek, and scholar. He served as president of the Central Conference of American Rabbis and the World Union for Progressive Judaism. Beginning in 1955, he led the CCAR's work on Jewish law through its responsa committee. He also spearheaded changes to Reform liturgy with revisions to the Union Prayer Book (siddur). For many years, he served as the pulpit rabbi at Rodef Shalom in Pittsburgh, PA.[1]