Joseph Henry Appointed Professor of Mathematics and Natural Philosophy at Albany Academy, April 28, 1826, Smithsonian Archives - History Div, Due to a sudden resignation at Albany Academy, and through the influence of the school's principal and his mentor T. Romeyn Beck, Joseph Henry was offered and accepted a professorship in Mathematics and Natural Philosophy. He would begin at the commencement of the following school year in September 1826. He had previously studied there from 1819 to 1822, and teaches there until he is offered a position at the College of New Jersey (now Princeton University), in 1832. In 1846, Henry would become the first Secretary of the Smithsonian Institution..