Geoffrey Frank Grant

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Geoffrey Frank Grant
Geoffrey Grant, 2002
Born (1941-09-05)5 September 1941
Empingham, Rutland, United Kingdom
Residence Fort Worth, Texas, United States
Citizenship United Kingdom (1941–)
Canada (1953–)
United States (1991–)
Fields Scientist Inventor Sportsman
Alma mater University of California, San Diego
University of British Columbia
Doctoral advisor Melvin Simon Caltech
Other academic advisors Melvin Cohn. Salk Institute
Known for No-line, multicolored tennis court 1975
electronic line judge tennis 1974
Co-discoverer – the isolation, mode of action and sequence of the brain hypothalamic peptide Somatostatin. 1972.
ITF World Senior Tennis Doubles Champion. 2002

Geoffrey Frank Grant is a scientist and administrative manager at the University of North Texas Health Science Center at Fort Worth He was born on 5 September 1941 in Empingham, Rutland. He migrated to the United States and currently resides in Fort Worth, Texas.

Science career[edit]

As a post-doctoral fellow, he continued research at nearby Salk Institute for Biological Studies becoming an assistant research professor in the neuro-endocrinology laboratory of Roger Guillemin. At the Salk, he conducted studies and published with Guillemin[1] on the cell biology and mode of action / structure-activity relationships of hypothalamic hormone analogues and was a co-discoverer of the hypothalamic peptide, Somatostatin.[2] He has articles published in both Nature[3] and Science.[4]

His present interests are as a naturopathic theorist extending the theory he published –"The DOLE – Decline of Life's Energy – Theory of Aging." 2000.[5][6][dubious ]


While a researcher at the Salk Institute he designed, developed, and built a computerised electronic line judge computer.[7] During 1974 and 1975 his device was used in the first successful public demonstration of a computerised line-calling device at a professional tennis tournament.[citation needed] This original tennis electronic line judge device was used by the Men's World Championship Tennis and the Ladies' Virginia Slims sponsored tennis tours.[citation needed] The computerised device not only made decisions as to whether the ball landed within the boundaries of the playing zones but also made foot fault and service net-cord decisions.[8][9]

During the early years 1975-6, of the World TeamTennis (WWT) league it adopted Dr. Grant's creative alternative tennis court design as a 'signature logo'.[citation needed] The original WTT no-line, multi-colored tennis court was a multi-coloured court with eleven separate coloured areas with no segregating lines.[citation needed] A USPTO utility patent[10] was issued in 1977.[11]


During the last decade Grant has been professor and an administrative manager at the University of North Texas Health Science Center at Fort Worth[citation needed] and the University of Texas at Arlington[citation needed] where he assisted and mentored entrepreneurs in their efforts to commercialise university intellectual property.


  1. ^[self-published source?]
  2. ^ Vale W, Brazeau P, Grant G, et al. (December 1972). "[Preliminary observations on the mechanism of action of somatostatin, a hypothalamic factor inhibiting the secretion of growth hormone]". Comptes Rendus Hebdomadaires Des Séances De l'Académie Des Sciences. Série D: Sciences Naturelles (in French). 275 (25): 2913–6. PMID 4347575. 
  3. ^ Grant G, Vale W (June 1972). "Speculations on structural relationships between the hypothalamic releasing factors of pituitary hormones". Nature: New Biology. 237 (75): 182–3. PMID 4556378. doi:10.1038/newbio237182a0. 
  4. ^ Vale W, Grant G, Rivier J, et al. (May 1972). "Synthetic polypeptide antagonists of the hypothalamic luteinizing hormone releasing factor". Science. 176 (4037): 933–4. PMID 4555980. doi:10.1126/science.176.4037.933. 
  5. ^ Grant, Geoffrey F.; Parr, Tyler (December 2000). "Decline of life's energy theory of ageing 2. Restoration of anabolic and regulatory processes". Expert Opinion on Therapeutic Patents. 10 (12): 1885–98. doi:10.1517/13543776.10.12.1885. 
  6. ^ Grant, Geoffrey F.; Parr, Tyler (August 2000). "Decline of life's energy theory of ageing 1. Revitalisation of energy metabolism and ageing mitochondria". Expert Opinion on Therapeutic Patents. 10 (8): 1233–43. doi:10.1517/13543776.10.8.1233. 
  7. ^ US patent 3982759, Grant, Geoffrey F., "Tennis court line monitoring apparatus", issued 28 September 1976 
  8. ^ Mason, John F. (26 April 1976). "An electronic linesman decides where the tennis ball bounces". Electronic Design Magazine: 55–57. 
  9. ^ Bentley, Ken (January 1975). "Is the tennis lineman obsolete?". Tennis Magazine: 20–22. 
  10. ^ US patent 4045022, Grant, Geoffrey F., "No-line tennis court", issued 30 August 1977 
  11. ^ "Jares, Joe (12 May 1975). "Patching a tattered image". Sports Illustrated: 68. 
  12. ^ Senior Manager of Research and Technology UNT-HSC 1998
  13. ^ Director ATI. UTA Technology Business-Startup Incubator. 2003