John Henry Boalt (March 29, 1837 – May 9, 1901) was an attorney who resided in Oakland, California, in the late 19th century. Education. After graduating from Amherst College in 1857, Boalt attended the University of Heidelberg School of Mining. Career. He left Germany to enlist in the Union Army and was commissioned as a lieutenant in the Eleventh Ohio Cavalry as a member of the Signal Corps in the American Civil War. He served throughout the rest of the War.
https://en.wikipedia.org/wiki/John_Henry_Boalt