{{short description|Scottish zoologist and entomologist}} {{Use dmy dates|date=April 2022}} Dr '''Daniel Stewart MacLagan''' FRSE FRES (3 June 1904 – 3 February 1991) was a 20th-century Scottish agricultural zoologist and entomologist. He was popularly known as '''Dan MacLagan'''.
==Life== He was born on 3 June 1904 at Williamstone Farm in Madderty near Crieff the son of a farmer.
He studied agricultural zoology at university and graduated in 1928. He then won a Ministry of Agriculture Scholarship enabling him to do further research at the Parasite Laboratory in the Imperial Institute of Entomology in London.<ref>{{Cite journal|date=1942-08-01|title=Imperial Institute of Entomology|journal=Nature|language=en|volume=150|issue=3798|pages=205|doi=10.1038/150205a0|bibcode=1942Natur.150Q.205.|issn=1476-4687|doi-access=free}}</ref> He then spent a year doing further research at Harvard University in America. On his return to Scotland he received a prestigious Carnegie Research Fellowship at the University of Edinburgh and gained his first doctorate (DSc).<ref>https://www.rse.org.uk/cms/files/fellows/obits_alpha/maclagan_daniel.pdf {{Dead link|date=February 2022}}</ref><ref>{{Cite book|last=MacLagan|first=D. Stewart|url=http://hdl.handle.net/1842/16028|title=Ecological study of the Lucerne flea (Smynthurus viridis, Linn.) : with special reference to its natural factors of control|publisher=|year=1932|isbn=|location=|pages=|hdl=1842/16028}}</ref>
In 1934 he began lecturing at the University of Aberdeen, and in 1936 received his second doctorate (PhD).<ref>{{Cite journal |last=MacLagan |first=D. Stewart |date=1936 |title=The quantitative analysis of climate in relation to insect abundance |url=https://era.ed.ac.uk/handle/1842/35068 |language=en}}</ref> In 1937 he moved tom Durham University. In 1944 he returned to Scotland as Head of the Zoology Department at the West of Scotland Agricultural College in Glasgow. In 1946 he was elected a Fellow of the Royal Society of Edinburgh. His proposers were James Ritchie, Alfred E. Cameron, Maurice Yonge, and Alexander D. Peacock.<ref>{{cite book|title=Biographical Index of Former Fellows of the Royal Society of Edinburgh 1783–2002|date=July 2006|publisher=The Royal Society of Edinburgh|isbn=0-902-198-84-X|url=https://www.royalsoced.org.uk/cms/files/fellows/biographical_index/fells_indexp2.pdf|access-date=2017-07-24|archive-date=2016-03-04|archive-url=https://web.archive.org/web/20160304074135/https://www.royalsoced.org.uk/cms/files/fellows/biographical_index/fells_indexp2.pdf|url-status=dead}}</ref>
He retired from academia in 1969 and returned to Madderty to run the family farm. He died on 3 February 1991 at the Royal Victoria Hospital in Edinburgh. On his death he bequeathed monies to run entomological lectures in Glasgow and money to the Macaulay Institute in Aberdeen to provide scholarships to young scientists.
==References== {{reflist}}
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{{DEFAULTSORT:MacLagan, Daniel}} Category:1904 births Category:1991 deaths Category:People from Perthshire Category:Fellows of the Royal Society of Edinburgh Category:Fellows of the Royal Entomological Society Category:Scottish entomologists Category:Alumni of the University of Edinburgh Category:20th-century Scottish zoologists Category:Academics of Durham University