Edgar Mountain

Edgar Donald Mountain (2 April 1901 – 30 April 1985) was a British middle-distance runner. He competed in the 800 m event at the 1920 and 1924 Summer Olympics and finished fourth in 1920 setting a British junior record.

After the 1924 Olympics Mountain settled in South Africa and later became a specialist in South African geological formations and professor at Rhodes University. He discovered several minerals, and one them, mountainite, bears his name.