John Michael Groves ( 1937 - ) is a British painter. John Michael Groves s works have been put up for auction numerous times, with realized prices varying from 1431.51 USD for M.V. "Astronomer" in the Falklands in 2003 to 1845.08 USD for Sketch for 'The Taking of the Minerva' in 2011 , based on the size and medium of the artwork.