an Entity references as follows:
Colin D. Standish (27 October 1933 – 29 October 2018) and Russell Roland Standish (27 October 1933 – 2 May 2008) were identical twin brothers and "historic" Seventh-day Adventists. They were often referred to collectively as the Standish brothers. They co-authored many books together, which have been published by their Hartland Institute.