Marcet Haldeman-Julius (1887–1941), born Anna Marcet Haldeman, was an active American author, playwright, and feminist. Throughout her life, she pursued a wide range of professional and creative endeavors, establishing herself as a versatile figure in early twentieth-century American letters and society. Her work as a writer and dramatist was complemented by her active engagement in editing and social advocacy.\n\nBeyond her literary contributions, Haldeman-Julius was deeply involved in social and civic life, working as a civil rights advocate and feminist. Her diverse career also extended into the performing arts as an actress, and into the financial sector, where she served as a bank president. Through these varied roles, she represented a unique intersection of artistic expression, social activism, and business leadership during her era.