Philip Kopuit was in hiding together with his wife since 9 November 1943 on the Leidseweg in Voorschoten. He got sick there and died of angina pectoris. He was buried in secret in the garden of the person who hid him. After the war he was reburied. See for more information
R. J. Braggaar, Achter verduisterde ramen : Voorschotense kronieken 1940-1950 (Alphen a/d Rijn 2009).