Sir John Crampton, 2nd Baronet

Sir John Fiennes Twisleton Crampton, 2nd Baronet, KCB (1805 – 7 December 1886), was a British diplomat, minister to the United States from 1852 to 1856 and Minister to Russia from 1858 to 1860.

The son of Sir Philip Crampton, 1st Baronet, a Dublin doctor and scientist, one of the founders of the Pitt Street Institution in Dublin, Crampton was educated at Eton and at Trinity College, Dublin, and became a career diplomat.

He should not be confused with his cousin John Fiennes Twisleton Crampton (1817–1888), a clergyman of the Church of Ireland. Both were descended from John Fiennes Twistleton Crampton (1732–1792), who was the son of the Reverend John Crampton (1706–1771), Archdeacon of Tuam, by his marriage to Charlotte Fiennes Twisleton (1710–1776), a daughter of Colonel Fiennes Twisleton, 11th Baron Saye and Sele (ca. 1670–1730).

Crampton was appointed as Secretary of the British legation at Washington in July, 1845, after previous diplomatic service in Turin, St Petersburg, Brussels, and Vienna. In January, 1852, he succeeded Sir Henry Bulwer as head of the Washington mission. He was obliged to resign in 1856, on the demand of U.S. President Franklin Pierce, whose administration accused him of attempting to enlist recruits for the British Army during the Crimean War. As some consolation, Crampton was appointed a Knight Commander of the Order of the Bath (KCB) on 20 September 1856.

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