Henry Marion Howe was an American metallurgist, the son of Samuel Gridley Howe and Julia Ward Howe.

Samuel Gridley Howe was an American physician, abolitionist, and advocate of education for the blind. He organized and was the first director of the Perkins Institution. In 1824, he had gone to Greece to serve in the revolution as a surgeon; he also commanded troops. He arranged for support for refugees and brought many Greek children back to Boston with him for their education.