Samuel Montagu, 1st Baron Swaythling, was a British banker who founded the bank of Samuel Montagu & Co. He was a philanthropist and Liberal politician who sat in the House of Commons from 1885 to 1900, and was later raised to the peerage. Montagu was a pious Orthodox Jew, and devoted himself to social services and advancing Jewish institutions.

The United Synagogue (US) is a union of British Orthodox Jewish synagogues, representing the central Orthodox movement in Judaism. With 62 congregations, comprising 40,000 members, it is the largest synagogue body in Europe. The spiritual leader of the union is the Chief Rabbi of the United Hebrew Congregations of the Commonwealth – a title that bears some formal recognition by the Crown, even though his rabbinical authority is recognised by only slightly more than half of British Jews.