He was honoured with election to the National Academy of Sciences (United States) in 1909 and he served as president of the American Mathematical Society during 1909-1910 delivering his presidential address in Chicago on The published and unpublished works of Charles Sturm on algebraic and differential equations.
Siya ay pinarangalan sa halalan sa National Academy of Sciences (Pilipinas) sa 1909 at siya ay nagsilbi bilang pangulo ng mga Amerikanong matematiko Kapisanan sa panahon ng 1909-1910 paghahatid ng kanyang pagkapangulo address sa Chicago sa Ang nai-publish na at hindi inilathala gumagana ng Charles Sturm sa algebraic at kaugalian equation.