Alexander Angus Croll (1811–1887) was a British civil engineer who patented a method of purifying town gas of ammonia.Alexander Angus Croll. Grace's Guide. Retrieved 30 January 2016. He was Sheriff of the City of London.Alexander Angus Croll. National Portrait Gallery. Retrieved 30 January 2016.
He is buried in Brookwood Cemetery.
Granard Park Croll was the owner of Granard Park (or Lodge) Putney Park Lane, Roehampton. In 1872, The Building News and Engineering Journal recorded that architect W. Allen Dixon was acting for "Colonel" Croll in alterations to Granard Park and the construction of a new church in its grounds."Trade News. Tenders." The Building News and Engineering Journal, Vol. 22, January–June 1872, p. 48. The church was originally a Baptist chapel but it later became the Anglican church of St Margaret, Putney Park Lane.Richardson, Kenneth. (2002) The "Twenty-Five" Churches of the Southwark Diocese: An inter-war campaign of church-building. London: The Ecclesiological Society. p. 112.
References