Charles Gordon Sinclair was born in Highgate, North London, on 26 January 1906, the second son of Charles Purves Sinclair, general manager of the Colne Valley Water Company. He was educated at Shirley House School, Watford, and at St Paul's School, West London, before entering St Bartholomew's Hospi

Keren Parkes was born on 18 December 1904 in Dulwich, the only daughter of Alexander Parkes, an accountant. She was educated at Streatham College for Girls, Somerville House, St Leonards-on-Sea and went on to King's College and King's College Hospital. At the age of twelve she decided that she wante

David Michael Stern was born in Burton-on-Trent on 22 October 1903. His father was Arthur Landauer Stern, a chemist and brewer, his mother, Grace Madelein née Falck. He was educated at first at the Burton Grammar School, and then went with his younger brother to Clifton College, from which he won an

Thomas Keith Selfe Lyle was born on 26 December 1903, the son of Herbert Willoughby Lyle FRCS, (see *Lives of the Fellows* 1952-64) and his wife Elizabeth Ada (née Selfe). He was educated at Dulwich College, where he distinguished himself in the school, the OTC and the Rugby XV; at Sidney Sussex Col