Pierre Charles L'Enfant, French-American architect and engineer, designed Washington, D.C. (b. 1754)

Pierre "Peter" Charles L'Enfant (French: [pjɛʁ ʃɑʁl lɑ̃fɑ̃]; August 2, 1754 – June 14, 1825) was a French-American military engineer who designed the basic plan for Washington, D.C. (capital city of the United States) known today as the L'Enfant Plan (1791).