(6 February 1815 – 15 August 1891)[1] was a Scottish engineer who was mainly involved in bridge design.
His office was in Union Terrace, Aberdeen, as of 1882.
[2] At the age of 22, he became an apprentice to James Thomson.
[1] Willet married Mary Ann Rennie (1832–1915) in 1854.
He was interred in Allenvale Cemetery, Aberdeen.