Question: When was the English zoo owner that founded The Aspinall Foundation born? 

Context articles: My Steve
Garrard Tyrwhitt-Drake
Edward Cross (zoo proprietor)
The Aspinall Foundation
John Aspinall (zoo owner)
Frederick Aspinall
Motty
Nathan Aspinall
Lightbown Aspinall
The Gorilla Foundation

My Steve is a biographical account of Terri Irwin's life with her late husband, the zoo owner and television personality Steve Irwin.
 It was published by Simon & Schuste Australia.
Sir (Hugh) Garrard Tyrwhitt-Drake {'1': ", '2': ", '3': ", '4': "} (22 May 1881 – 24 October 1964) was a businessman, zoo owner and author.
 Between 1915 and 1950, he was twelve times the Mayor of Maidstone, Kent and was High Sheriff of Kent in 1956–57.
Edward Cross ("baptised" 3 February 1774 – 26 September 1854) was an English zoo proprietor and dealer in animals.
The Aspinall Foundation (formerly The John Aspinall Foundation) is a British charity (Registered Charity 326567) which works to promote wildlife conservation.
 It was set up by professional gambler and zoo owner John Aspinall in 1984 and runs the two zoos he set up, Port Lympne Wild Animal Park and Howletts Wild Animal Park in Kent, England.
 It also supports a number of conservation projects overseas to protect endangered species.
 The charity is now run by John's son, Damian Aspinall.
John Victor Aspinall (11 June 1926 – 29 June 2000) was an English zoo owner and gambling club host.
 From middle class beginnings he used gambling to move to the centre of British high society in the 1960s.
 He was born in Delhi during the British Raj, and was a citizen of the United Kingdom.
Frederick Aspinall (2 September 1859 – date of death unknown) was an English cricketer.
 Aspinall's batting style is unknown.
 He was born at West Kirby, Cheshire.
Motty (11 July 1978, Chester Zoo, Cheshire – 23 July 1978, Chester Zoo, Cheshire) was the only proven hybrid between an Asian and an African elephant.
 He was named after George Mottershead, who founded the Chester Zoo in 1931.
 The male calf was born on 11 July 1978 in Chester Zoo, to Asian mother "Sheba" and African father "Jumbolino".
Nathan Aspinall (born 15 July 1991) is an English darts player currently playing in Professional Darts Corporation events.
 From Stockport, England, Aspinall is known as "The Asp".
Lightbown Aspinall is an English wallpaper manufacturing company founded in 1854 at Pendleton in Greater Manchester, by Henry Lightbown (1819–99), who had worked for "Potter and Company".
 By 1847, he was in business with his brother-in-law William Aspinall and Doctor Graham, a partner in Potter’s, as wallpaper merchants and block printers in Manchester.
 The company became part of the newly formed "Wall Paper Manufacturers" in 1899.
 The company moved to a new factory, the Hayfield Mills on Brookfield Avenue, Bredbury, in 1929, where they became one of the largest producers of cheap machine-printed wallpapers in 20th century Britain, producing "Crown" and "Scene" wallpapers and "Crown Vinyl" wall covering, and employing 450 people.
The Gorilla Foundation is a non-profit organization founded in 1976 by Francine Patterson in order to purchase the young gorilla named Koko from the San Francisco Zoo.
 After the purchase, the foundation continued to support Patterson's research as she taught Koko American Sign Language.
 Currently the foundation is continuing its efforts to get Koko to mate and plans to open an ape preserve on the island of Maui.