Lt Colonel Frank Wyville ThomsonFRSEIMS (1860 – 27 May 1918) was a 19th/20th century Scottish military surgeon and expert on tropical medicine who advanced public health in India and a noted amateur naturalist.
He studied medicine at the University of Edinburgh graduating with an MB ChB around 1881 and became a Surgeon Captain in the 3rd Bengal Cavalry in India.[3] He later joined the Indian Medical Service.
When his father died in 1882 he inherited the family estate of Bonyside near Linlithgow.