H. G. Callan

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Lampbrush chromosome from the cell nucleus of an ovarial egg from Triton sp., a salamander.

Harold Garnet Callan

cytologist.[2] He is especially remembered for his work on Lampbrush chromosomes
.

Life

Callan was born in Maidenhead in Berkshire the son of Garnet George Callan, a naval architect, and Winifred Edith Brazier, a teacher.[3]

He was educated at King's College School in Wimbledon, and then won a place at St John's College at

Oxford University
graduating with a First Class MA in Zoology in 1938.

After initially finding employment at the

Stazione Zoologica in Naples. This was initially to study sex hormones of the octopus. It was here that he first saw Lampbrush chromosomes, which became his lifetime obsession.[4]

His studies in

RAF, rising from Flight Lieutenant to Squadron Leader, as a highly competent airman. He was then transferred into radar
research and operation.

After the war, then newly married, he moved to work at

St Andrews University, replacing Prof D'Arcy Wentworth Thompson, and stayed in this role from 1950 to 1982.[3]

He was elected a Fellow of the

St Andrews University
awarded him an honorary doctorate (DSc) in 1984.

He served as a Trustee of the British Museum from 1963 to 1966.

In 1981, Callan became a founding member of the World Cultural Council.[6]

He promoted scientific advancement within the Soviet Bloc, travelling three times to Russia and once to China, in the interests of scientific advancement.

His final (post-retiral) research was spent largely with Dr Joe Gall in Baltimore, working on snurposomes and RNA-packaging.

He died at home, Feuchside near Dundee, on 3 November 1993.[7]

Family

Mick met his wife, Amarillis Maria Speranza Dohrn in Naples and they married there in 1944. They had one son and two daughters.

Publications

  • Chromosomes and Nucleoli of the Axolotl, Ambystoma Mexicanum. In: J Cell Sci 1, 1966: 85–108. PDF
  • Lampbrush Chromosomes (1986)

References

  1. doi:10.1098/rsbm.2003.0006
    .
  2. ISBN 978-0-902198-84-5. Archived from the original
    (PDF) on 4 October 2006. Retrieved 31 May 2011.
  3. ^
    ISBN 090219884X. Archived from the original
    (PDF) on 24 January 2013. Retrieved 18 September 2015.
  4. ^ "Archived copy" (PDF). Archived from the original (PDF) on 2 July 2015. Retrieved 2 July 2015.{{cite web}}: CS1 maint: archived copy as title (link)
  5. ^ Callan, H. G. (1950). "Studies in nuclear cytology". {{cite journal}}: Cite journal requires |journal= (help)
  6. ^ "About Us". World Cultural Council. Retrieved 8 November 2016.
  7. Independent.co.uk
    . 12 November 1993.

External links

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