He was closely associated with Jewish causes throughout his life and in his spare time was a noted postal historian of Palestine and a fellow of the Royal Philatelic Society London.
[3] He was educated in Palestine from the age of four when his family moved there and at St Paul's School, London, from 1930 from where he went up to New College, University of Oxford, graduating with a degree in Politics, Philosophy, and Economics.
[3] Sacher worked for Marks & Spencer from 1938 to 1939 before joining the Royal Army Service Corps where he saw action during the Second World War in the western desert.
He was a liaison officer to General Leclerc and served with the Free French in north Africa and with the Allies in Italy.
[4] Sacher specialised in the postal history of Palestine and the surrounding areas, writing or co-writing several books on the subject.