John Purvey (c. 1354 – c. 1414) was one of the leading followers of the English theologian and reformer John Wycliffe during the late fourteenth and early fifteenth centuries.
 He was born around 1354 in Lathbury, near Newport Pagnell in the county of Buckinghamshire, England.
 He was a great scholar, permitted to enter all priestly ranks on 13 March 1377, or 1378.
 It has been assumed by scholars that Purvey became acquainted with Wycliffe's ideas in Oxford.
 In around 1382, Purvey lived with Wycliffe at Lutterworth, Leicestershire, along with Nicholas of Hereford and John Aston, and became one of Wycliffe's disciples.
John Aston Warder (January 19, 1812 – July 14, 1883) was a physician, influential leader in the fields of horticulture and forestry, and founder of the American Forestry Association.
 He was among the first to propose the planting of belts of trees on the great western plains.
John Wycliffe ( ; also spelled "Wyclif", "Wycliff", "Wiclef", "Wicliffe", "Wickliffe"; 1320s – 31 December 1384) was an English scholastic philosopher, theologian, Biblical translator, reformer, and seminary professor at Oxford.
 He was an influential dissident within the Roman Catholic priesthood during the 14th century.
John Aston (3 September 1921 – 31 July 2003) was an English footballer.
Gene Loves Jezebel (GLJ) are a British rock band formed in the early 1980s by identical twin brothers Jay Aston (born John Aston) and Michael.
 Gene Loves Jezebel's best-known songs include "Heartache", "Desire (Come and Get It)" (1986), "The Motion of Love" (1987), and "Jealous" (1990), as well as their broody dark alternative club hits "Bruises" (1983), "Influenza (Relapse)" (1984), and "The Cow" (1985).
 "Desire" (1985) was GLJ's most successful single in the UK.
Sir William John Aston, KCMG (19 September 1916 – 21 May 1997) was an Australian politician.
 Born in Sydney, he attended state schools before becoming an accountant and company director.
 He served in World War II from 1942–44, and was involved in local politics as a member of Waverley Council.
 In 1955, he was elected to the Australian House of Representatives as the Liberal member for Phillip.
 He held the seat until 1961, when he was defeated by Syd Einfeld of the Labor Party.
 Aston returned to the House in 1963, defeating Einfeld (who went on to enter the New South Wales State Parliament and to become a State Cabinet Minister); on 21 February 1967 Aston was elected Speaker.
 He held this position until the Liberal Government's defeat at the hands of Gough Whitlam in 1972, when Aston lost his seat.
 He died in 1997.
 His sons included Ray Aston, the member of the NSW Legislative Assembly who died young in 1988.
John Aston or Eston (fl.
 1362-1391), was an English politician.
John Aston (20 November 1882 in Dublin – 9 January 1951 in Birmingham, England) was an Irish cricketer.
 He was a right-handed batsman and right-arm medium pace bowler.
John Aston Jr. (born 28 June 1947) is an English former professional footballer who played in the Football League for Manchester United, Luton Town, Mansfield Town and Blackburn Rovers.
John Aston or Ashton (fl.
 1382), was one of John Wycliffe's earliest followers.

Question: John Aston was a follower of which English philosopher?
Answer: John Wycliffe