MTN251217: Professor Patrick Maynard Stuart Blackett (1897-1974) (b/w photo) / Bridgeman Images

MTN246860: Wilhelm Furtwangler (1886-1954) conducting (b/w photo) / Bridgeman Images

MTN246870: (George) Gilbert Aime Murray (1866-1957) (b/w photo) / Bridgeman Images

MTN246875: Sir Marcus 'Mark' Laurence Elwin Oliphant (1901-2000) / Bridgeman Images

MTN246876: Schack August Steenberg Krogh (1874-1949) (b/w photo) / Bridgeman Images

MTN405743: Martin Isepp (b/w photo) / Bridgeman Images