William John McCallien FRSE FGS OBE (1902-1981) was a 20th-century Scottish geologist and artist.
He was educated locally then went to Glasgow University to study Sciences, where he graduated BSc in 1923.
His proposers were Sir Edward Battersby Bailey, George Walter Tyrrell, Robert Alexander Houston and Thomas MacRobert.
[1] He left Scotland in the mid-1930s to take up the post of Professor of Geology at Ankara University in Turkey.
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