Alexander Ebenezer McLean Geddes OBE FRSE (8 February 1885 – 26 December 1970) was a Scottish meteorologist and physicist.
In 1908 he became an assistant lecturer at the university teaching natural philosophy (Physics).
In the First World War he joined the Royal Flying Corps as a meteorologist[2] at the rank of Lieutenant.
His proposers were Archibald Goldie, Sir Ernest Wedderburn, Arthur Crichton Mitchell, and Ralph Allan Sampson.
He retired in 1955, and in the same year the university granted him an honorary doctorate (LLD).