Background
Hemsley, John David Crowther was born on July 28, 1931 in Stocksbridge, Yorkshire, United Kingdom. Son of Joseph Norman and Philomena Lambertina Hemsley.
Hemsley, John David Crowther was born on July 28, 1931 in Stocksbridge, Yorkshire, United Kingdom. Son of Joseph Norman and Philomena Lambertina Hemsley.
Degree in chemistry with honors, Battersea College of Technology, London, 1953. Postgraduate diploma in chemical engineering, Battersea College of Technology, London, 1954. Master of Arts, University Reading, 2001.
Doctor of Philosophy, Cardiff University, England, 2005.
Research chemical engineer Atomic Energy Research Establishment, Harwell, United Kingdom, 1954-1958. Chemical engineer Fisons Fertilizers Ltd., Felixstowe, United Kingdom, 1958-1966, manager consultant services United Kingdom, 1966-1973. Director, general sales manager Chemical Construction Corporation, Twickenham, United Kingdom, 1973-1975.
Director, general marketing manager Enthone-OMI Corporation, Woking, United Kingdom, 1975-1978, European director research and development United Kingdom, 1978-1982, director, chief engineer United Kingdom, 1982-1994. Chief associate Marquis Associates, since 1994. President European Committee for Surface Treatment, 2000-2004.
Member council British Institute Organ Studies, 2002-2006. Board director European Union Chromatex Project, 2003-2005.
Organist, choirmaster Parish Church, Hatford, United Kingdom, 1955, Harwell, United Kingdom, 1956, Presbyterian Church, Felixstowe, United Kingdom, 1960, Parish Church, Ash, United Kingdom, 1995. Fellow Royal Society of Chemistry, Institute of Chemical Engineers, Institute of Metal Finishing (council member president 1984-1986), member Probus '83 Club (general secretary since 2006).
Married Audrey Beatrice Smart, August 20, 1955 (divorced 1978). Children: Mark Courtenay Crowther, Sarah Jane. Married Norma Penny, July 28, 1978.