The artist was born Ralph Richard Creak-Davis, in Oxford, the son of a solicitor. He changed his name to Angus Brent by deed poll in 1938. He studied at St Martin's School of Art, and privately with Bertram Nicholls, and exhibited widely (including the RA and Fine Art Society, London and New Zealand).  Much of his work was done in Hampshire, where according to Buckman he showed in Southampton and Bournemouth and lived at Fordingbridge.

In 1951 Brent travelled with his wife Nina to New Zealand, where he exhibited with the Auckland Society of Arts.

His work was selected by Michael CANNEY for the exhibition which he curated (and in which he also exhibited) for the City Art Gallery in Plymouth, entitled 'Painters in Cornwall 1960'. Canney commented in his introduction....'Apart from London, there is nowhere else in this country where so many artists are working in such a small area...' Brent became a member of the NSA in Canney's time and remained so for the rest of his life.

His death was recorded in the New Forest, Hampshire.