[5] In 1973, the firm was bought out by the Midland Bank, and Montagu declined the offer of the post of non-executive chairman.
[6] As a peer, he took his seat in the House of Lords, but rarely attended, making his maiden speech on 5 June 1990, when he spoke strongly in support of the War Crimes Bill which would have permitted British courts to prosecute alleged Nazi war criminals living in Britain.
His speech included the words: “The Jewish faith is centered on the idea of justice, not revenge.
He suggested that trials of alleged war criminals would help to keep alive the awareness of the horrors of the past.
He was a bridge player, an art collector and a supporter of the Royal National Theatre.