Railways and Anglophilia may have been his private and also professional passions, but my father’s public ones were political: Zionism and Polish nationalism. You may think that they would be in conflict. Not so: his dual identity as a Pole and as a Jew were mutually – almost dialectically – defining to him. In the late 1930s when Poland became officially, institutionally anti-Semitic, he still refused to move his investments out of the country or abandon it by permanent emigration – even to the Britain he so admired.