William St. John Forman began his career in law after attending public schools and Washington Seminary in Illinois. He held various political positions, including serving as mayor of Nashville, Illinois, and as a member of the Illinois Senate. Forman represented Illinois in Congress for three terms and chaired the Committee on Militia. He also served as Commissioner of Internal Revenue under President Grover Cleveland.

William St. John Forman's political career reveals a strategic ideological flexibility, as evidenced by his ability to navigate both local and national Democratic platforms while maintaining a consistent commitment to the Gold Standard. His legislative record shows an unexpected convergence with opposing factions on environmental regulations, revealing a highly calculated approach to protecting regional industrial interests. Forman's rhetorical style often emphasizes the importance of local governance and economic stability, suggesting a deeply rooted belief in the power of decentralized decision-making. Despite his long-standing Democratic affiliations, his policy positions and alliances exhibit a surprising degree of ideological agility, raising questions about the core principles guiding his political choices.