Elston Kabis (1917–1971) – Treasurer of the United States; lived in Middletown Edward E. Kaufman (born 1939) – U.S. Senator from Delaware Dyre Kearney (died 1791) – lawyer; delegate, Continental Congress from Delaware Pat Kenney (born 1968) – professional wrestler (stage name: Simon Diamond); born in Wilmington Richard R. Kenney (1856–1931) – lawyer; U.S. Senator from Delaware Patrick Kerr (born 1956) – television actor; born in Wilmington Muqtedar Khan (born 1966) – Islamic intellectual; professor, University of Delaware Robert Kirkwood (1746–1791) – officer, American Revolutionary War Horace G. Knowles (1863–1937) – diplomat (U.S. Ambassador to Bolivia – Bulgaria, the Dominican Republic, Romania, Serbia); served under three different U.S. presidents Arturs Krišjānis Kariņš (born 1964) – current Prime Minister of Latvia Ellen J. Kullman (born 1956) – president and chief executive officer, DuPont Company Stephanie Kwolek (1923–2014) – scientist; inventor, Kevlar L Corinne Landrey (born 1986) – Director of Baseball Operations, the Philadelphia Phillies Henry Latimer (1752–1819) – U.S. Representative; U.S. Senator from Delaware Caleb R. Layton (1851–1930) – physician; U.S. Representative from Delaware Daniel J. Layton (1879–1960) – Chief Justice; Attorney General of Delaware Isaac Lea (1792–1886) – conchologist; geologist; businessman; born in Wilmington Preston Lea (1841–1916) – businessman; Governor of Delaware Judith LeClair (born 1958) – bassoonist, New York Philharmonic; faculty, Juilliard School; from Newark Jennifer Leigh (also known as Jennicide) (born 1983) – professional poker player; Playboy model; born in Wilmington Warren K. Lewis (1882–1975) – chemical engineer; professor, Massachusetts Institute of Technology John Bernard "Hans" Lobert (1881–1968) – Major League Baseball player, coach, manager and scout; born in Wilmington Henry Hayes Lockwood (1814–1899) – co-founder, U.S. Naval Academy; Brigadier General, American Civil War James R. Lofland (1823–1894) – lawyer; U.S. Representative from Delaware Edward L. Loper Sr. (1916–2011) – impressionist and colorist artist; from Wilmington Charles B. Lore (1831–1911) – lawyer; U.S. Representative from Delaware M John Mabry (born 1970) – professional baseball player; born in Wilmington Isaac J. MacCollum (1889–1968) – physician; Lieutenant Governor of Delaware Thomas MacDonough (1783–1825) – commodore, U.S. Navy; victor, Battle of Lake Champlain in the War of 1812 Jack A. Markell (born 1960) – State Treasurer; Governor of Delaware Edward L. Martin (1837–1897) – lawyer; U.S. Representative from Delaware Joshua H. Marvil (1825–1895) – merchant; Governor of Delaware Joseph Maull (1781–1846) – General Assemblyman; Governor of Delaware Dave May (1943–2012) – professional baseball player; born in New Castle Sarah McBride (born