John Locke Memorial Medal Bronze medal issued to commemorate the death of philosopher and physician John Locke (1632-1704). Obverse: profile bust of Locke, facing right, surrounded by his name "IOHANNES LOCKE". Reverse: two female figures seated upon a sarcophagus holding a cap and scales with a cherub at their feet; the date of death "M.1704", below. 1704