1846 – Tarleton Bean was a native Pennsylvanian, born and raised in the small town of Bainbridge, on the lower Susquehanna River.
1866 – He attended college at the state normal school at nearby Millersville, where he specialized in botany. After graduating, he taught for several years.
1871 – Served as the principal of Wilkes-Barre high school.
– He became an assistant to J. T. Rothrock, botanist to the U. S. Geological Survey.
1874 – He began his association with the U. S. Fish Commission, working at the Commission’s summer station at Noank, Connecticut. Then he moved to Washington and began medical studies at Columbian College (now George Washington University).
1876 – He was granted an M.D. degree but never became a practicing physician. Instead, he turned his full attention to the Smithsonian and the Fish Commission, which in those days were closely intertwined.
1877 – He became a full-time staff member of the U.S. National Museum, as Assistant in Ichthyology.
1878 – He was the editor of the Proceedings of the U.S. National Museum and supervised the printing of the Bulletin.
1979 – Was the Curator of Fishes in the U.S. National Museum.
1880 – He spent a good part of the year in Alaska, exploring the fishes of the region under the auspices of the Census Bureau and the Fish Commission.
1888 – His duties with the Fish Commission had become so demanding that he reduced his Smithsonian title to Honorary Curator and took his pay entirely from the Fish Commission.
1889 – Tarleton Bean was appointed the editor of the Commission’s publications, while continuing to hold the title of Ichthyologist.
1893 – He represented the Commission at the World’s Columbian Exposition in Chicago.
1900-1902 – He served as the director of the forestry and fisheries exhibit for the United States at the Paris Exposition and as chief of the departments of fish, game and forestry at the World’s Fair in St. Louis.
1906-1916 – Bean was appointed head fish culturist for the State of New York, a position he held until his death.