Founding partner of Gillespies, a leading British landscape architecture practice. Bill Gillespie studied under Frank Clark at Reading and started his practice in Glasgow. It became William Gillespie and Partners when he took Rodney Beaument and Wendy Powell into partnership. The firm took over some work from Sylvia Crowe, with whom Wendy Powell had been an associate. In 1975-6 Bill Gillespie spent much time in Egypt working on the Suez Canal Regional Plan for the United Nations Development Programme.