Launcelot Harrison (13 July 1880 - 20 February 1928) was an Australian

zoologist Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the animal kingdom, including the structure, embryology, evolution, classification, habits, and d ...

and entomologist who held the Challis Chair in Zoology from 1922 until his untimely death from a cerebral haemorrhage. He married writer

Amy Mack Amy Eleanor Mack (6 June 1876, Port Adelaide – 4 November 1939, Sydney), also known as Amy Eleanor Harrison and Mrs. Launcelot Harrison, was an Australian writer, journalist, and editor. She was honorary secretary of the National Council of ...

on 29 February 1908. His 1915 study found that host and parasite body sizes tended to positively co-vary; this finding was dubbed Harrison's rule. During

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

he served as an advising entomologist (ranked

Lieutenant A lieutenant ( , ; abbreviated Lt., Lt, LT, Lieut and similar) is a commissioned officer rank in the armed forces of many nations. The meaning of lieutenant differs in different militaries (see comparative military ranks), but it is often ...

) to the British Expeditionary Force in

Mesopotamia Mesopotamia ''Mesopotamíā''; ar, بِلَاد ٱلرَّافِدَيْن or ; syc, ܐܪܡ ܢܗܪ̈ܝܢ, or , ) is a historical region of Western Asia situated within the Tigris–Euphrates river system, in the northern part of the ...

. His students included Claire Weekes, the first woman to earn a doctorate at the University of Sydney.

References

{{Authority control Academic staff of the University of Sydney Australian zoologists Australian entomologists Challis professor 1880 births 1928 deaths