Cyril J. Bergtheil

Cyril Jonas Bergtheil and from around 1916 with the family name Berkeley (2 December 1878 – 25 August 1973) was an English chemist, bacteriologist, and zoologist of German ancestry. He worked in India from 1902 to 1912 serving as an Imperial Bacteriologist and later collaborated with his wife Edith Berkeley in studies on polychaetes.

Early life

Cyril was born in London, the son of Louis Michael Bergtheil and Alice Maud. While very young, his parents were divorced and his mother married again. It was his step-father Alfred James Puttick who introduced Cyril to science by introducing him to scientific periodicals and visits to the Royal Institution to attend lectures. He studied at St. Paul's school from 1891 to 1895 and moved to Nuremberg, where he learnt German and studied chemistry at the Industrieschule.[1]

Work

1987-1903

Cyril then went to University College London and worked in William Ramsay's laboratory from 1897 to 1899 alongside other researchers like Morris Travers. From 1899 to 1901 he researched agricultural chemistry and bacteriology at the Agricultural College, Wye. While in Ramsay's lab he met Edith Dunington in 1898. In 1902, Bergtheil was appointed bacteriologist in the Agriculture Department of India. He married Edith on February 26, 1902 and they sailed for Bombay the next day. His initial work was to study the manufacture of indigo under chemist Christopher Rawson with the aim to compete with Germany and their synthetic indigo dyes.[2] He worked for eleven years, mostly at the Sirsia indigo research station, Muzzafarpur. The work included attempts to improve the efficiency of extraction of the indigo.[3][4] They had a daughter Alfreda Alice on March 3, 1903. She was sent to live with her maternal grandmother in England due to her poor health and she later became a zoologist.[1]

1904-1964

Bergtheil collaborated with other scientists in India, joining I.H. Burkill along the Hooker trail in the eastern Himalayas during which he became interested in the distribution of earthworms. He collected across altitude gradients and worked on these specimens with Michaelsen, who named a species Megascolides bergtheili after him. The family changed from their German surname around 1916 to Berkeley due to the World War and public suspicion of those with German names or connections. Berkeley began to work on polychaetes in collaboration with his wife. Around 1916-17 he taught bacteriology at the University of British Columbia while his wife taught zoology. They visited the Nanaimo field station in 1917. Berkeley also worked on acetone production from kelp for Hercules Powder Company in San Diego. In 1919 the family moved to live in Nanaimo and Cyril worked as an assistant curator at the station. Together the Berkeleys authored nearly 34 papers between 1932 and 1964.[1][5]

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References
  1. Stevenson, J. Cameron (1971). "Edith and Cyril Berkeley — An appreciation". Journal of the Fisheries Research Board of Canada. 28 (10): 1359–1364. doi:10.1139/f71-213.
  2. Kumar, Prakash (2007). "Plantation science: Improving natural indigo in colonial India, 1860–1913". The British Journal for the History of Science. 40 (4): 537–565. doi:10.1017/S0007087407000027.
  3. Bergtheil, C. (1906). "The Efficiency of the Present Process of Natural Indigo Manufacture". Nature. 75 (1932): 30. Bibcode:1906Natur..75...30B. doi:10.1038/075030b0.
  4. Bergtheil, Cyril (1904). "LXXXIX.—The fermentation of the indigo-plant". J. Chem. Soc., Trans. 85: 870–892. doi:10.1039/CT9048500870.
  5. Berkeley, C. (1961). "Indigotin Content of Woad". Nature. 191 (4796): 1414–1415. doi:10.1038/1911414a0. ISSN 1476-4687.
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