Lyman, Theodore, 1833–97, American naturalist, b. Waltham, Mass., grad. Harvard, 1855, and Lawrence Scientific School, Harvard, 1858. He was in the Union army as an aide (1863–65) on the staff of Gen. George Meade. As Massachusetts commissioner of inland fisheries (1866–83) he was a leader in the movement for the conservation of food fish. For the Harvard Museum of Comparative Zoology (with which he was associated, 1859–87) he published many scientific papers on marine forms. He served in Congress (1882–85) as an independent in favor of civil service reform.