Bernard Mason OBE (12 September 1895 – 29 April 1981) was a prominent Colchester businessman and philanthropist who was born in Ipswich but lived his whole life in Colchester. He was the proprietor of Mason's printing firm from which he retired as director in 1962. 
Mason began collecting Colchester-made clocks in 1927 and bequeathed the collection to the town, along with his home "Tymperleys" (the former mansion of Elizabeathan scientist Dr William Gilberd).  Mason was a Freeman of the Worshipful Company of Clockmakers and the author of "Clock and Watchmaking in Colchester" (1969) which originally cost four guineas (£4 4s 0d £4.20). He was made an OBE in 1959. Mason claimed that there are 375 known examples of Colchester clocks and he managed to collect 216 of them in his lifetime, travelling far and wide to bring them back “home”.
Tymperleys currently houses the Mason Collection as part of the Colchester Clock Museum. The collection comprises 203 clocks and 14 watches made in Colchester from the 17th to 19th centuries.  Significant items include a lantern clock from 1645 by William Bacon, and a mantel clock from 1725 by Nathaniel Hedge. 
Bernard Mason was in charge of air raid warnings throughout Colchester district during World War II.
Mason's younger brother Eudo Colecestra Mason (1901–69) was a scholar of German literature.
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