Henry B. Lathrop From Wikipedia the free encyclopedia American politician Henry B. Lathrop (1808 - 1890) was a mason and mine superintendent who served in the Michigan Senate.[1] He was a Whig.[2] References[edit] ^ "Legislator Details - Legislators". ^ "Classification Of Senators | Ann Arbor District Library". aadl.org. This article about a Michigan politician is a stub. You can help Wikipedia by expanding it.vte