Born: 18 Aug 1861 in Milton, Kent, England
Died: 28 June 1930 in Burghfield Common, Reading, England
Full details of William J Greenstreet's life and contributions to mathematics are given in an obituary which appeared in The Mathematical Gazette in 1930.
See THIS LINK
Article by:J J O'Connor and E F Robertson
November 2007
MacTutor History of Mathematics
[http://www-history.mcs.st-andrews.ac.uk/Biographies/Greenstreet.html]