Home › Authors › Mary Watson Whitney 👤 Mary Watson Whitney b. 1847 – d. 1921 · 1 book Biography An American astronomer and for 22 years the head of the Vassar Observatory where 102 scientific papers were published under her guidance (<a href=https://en.wikipedia.org/wiki/Mary_Watson_Whitney>Wikipedia</a>). Books by Mary Watson Whitney Life and work of Maria Mitchel Life and work of Maria Mitchell, L.L.D 1889