Alexandru Mezei, born on 26 June 1918 in Cluj, Romania, was a Jewish machine fitter and precision mechanic who came to Haarlem in 1938, likely in search of work. After several moves within Haarlem and a short stay in Best, he lived at Coornhertstraat 11 from November 1940. In June 1942 he was imprisoned in Kamp Amersfoort for unknown reasons. On 16 July 1942 he was deported to Mauthausen and soon after transferred to Auschwitz, where he was murdered. His official date of death is 30 September 1942, though he may have died earlier. He was 24 years old.