(Aug. 5, 1880-Jan. 31, 1971). Born in Indianapolis, Hadley attended, studying art under artist . Upon graduation, he attended the Pennsylvania Museum and School of Industrial Art in Philadelphia.
Hadley designed stained glass windows for churches and did interior decorating before joining the faculty of thein 1922. At Herron, he taught classes in watercolor and interior design for 10 years and later served as Assistant Curator to the John Herron Art Museum.
Hadley is best known for his creation of Indiana’s state flag in 1916. In celebration of the state’s centennial, the Indiana Daughters of the American Revolution (DAR) sponsored a juried flag competition. Hadley’s flag won the top prize and was officially accepted by the Indiana General Assembly in 1917.
Hadley’s watercolors brought him many awards in the annual, Indiana Artists Club, and art exhibitions. His work is located in the collections of (now housed at the ), Manual High School, and the Indianapolis Museum of Art at . , Indiana, named its junior high school after the celebrated artist, who was a long-time resident of the community.