[1] Serebriakoff is known for his contributions to lumber technology, writing intelligence quotient (IQ) tests, as well as organising and promoting Mensa.
Esper joined the Russian navy in 1870, but left in 1885 after rising to the rank of lieutenant, having become involved in revolutionary politics, leaving Russia in 1888.
[4] Serebriakoff wrote prolifically on the timber trade, Mensa and its history, and educating gifted children.
[citation needed] Win Rouse, a Lady Almoner or hospital social worker (and ex-Bletchley Park staff), had helped Victor and Mary during the illness.
[citation needed] Victor was elected International President of Mensa, an office that he held at his death.