William Maxwell Jack (March 5, 1892 – April 14, 1970) was an American politician who served as auditor and secretary of state of Wyoming as a Democrat.
In October 1910 he returned to the United States, his family would remain in Britain with his brother losing his arm during The Blitz, and became a rancher in Lusk, Wyoming, and later married Huldah Teresa on June 1, 1920.
[7] On April 2, 1938, he announced that he would seek reelection and after facing no opposition in the primary defeated C. J. Rogers in the general election.
On March 3, 1954 he announced that he would seek the Democratic nomination for governor and won the primary, but was defeated in the general election by Milward Simpson.
[16] In 1964 Senator Gale W. McGee appointed him as regional director of the Small Business Administration in Casper and served until November 1969.