On July 18, 1873, Sir David Salomons, the man who led the fight for full Jewish participation in English political life, died, at the age of 75. A trailblazer in both the financial and public-service worlds, Salomons was the first Jewish sheriff in the City of London and the City’s first Jewish lord mayor, as well as one whose willingness to fight for equality also made it possible for Jews to enter the British...