Alan William Greenwood CBE FRSE (29 June 1897 – 4 May 1981) was an Australian zoologist and geneticist, who helped pave the way to creating Dolly the Sheep.

[2] He continued as a postgraduate, gaining an MSc in 1923 then travelling to Scotland to study for a PhD at the University of Edinburgh under the supervision of James Cossar Ewart.

His colleagues included the geneticist Janet Scott Salmon Blyth, with whom he would go on to collaborate with for many years,[3] and the pharmacist John Michael Robson who joined the institute in 1929.

[1] In the New Years Honours list on 1 January 1955 he was made a Commander of the Order of the British Empire.

[8] Greenwood served in the Camel Field Ambulance (part of the Australian Imperial Forces) in Palestine in the First World War.