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Robert Guiscard
Robert Guiscard (c. 1015–1085), Norman duke of Apulia, Calabria, and Sicily of the Hauteville house, completed the conquest of Byzantine southern Italy (Bari 1071, Palermo 1072, Salerno 1076) and twice invaded the Byzantine Balkans before dying at Cephalonia in 1085.
Robert H. Cleland
Robert H. Cleland, born Robert Hardy Cleland in 1947, is a senior United States district judge for the Eastern District of Michigan, nominated by President George H.W. Bush in 1990.
Robert H. Jackson
Robert H. Jackson was an American Supreme Court justice from 1941 to 1954 who also served as Attorney General and chief prosecutor at the Nuremberg trials.
Robert H. Porter
Robert H. Porter, born 1955 in London, Ontario, is a Northwestern University economist who studies collusion, price wars, and auctions, and shared the 2018 BBVA Frontiers of Knowledge Award for founding empirical industrial organization.
Robert H. Swanson Jr.
Robert H. Swanson Jr., known as Bob Swanson, is an American semiconductor executive who co-founded Linear Technology in Milpitas, California, in 1981 and led it as CEO.
Robert H. Whaley
Robert H. Whaley (born 1943) is an American jurist serving as a senior United States district judge for the Eastern District of Washington, appointed by President Bill Clinton in 1995.
Robert Hadden
Robert Hadden, former Columbia University and NewYork-Presbyterian OB-GYN, sexually abused patients from about 1993 to 2012; convicted federally in 2023, sentenced to 20 years, with over $1 billion in civil settlements.
Robert Hansen
Robert Hansen (Robert Christian Hansen, the "Butcher Baker") was an Alaskan serial killer, not FBI spy Robert Hanssen, who murdered at least 17 women near Anchorage 1980-1983 and was sentenced in 1984 to life plus 461 years.
Robert Hanssen
Robert Philip Hanssen (1944–2023), FBI special agent and Russian spy known as "Ramon," spied from 1979 to 2001 for $1.4 million; arrested 2001, sentenced to life without parole.
Robert Hartmann (semiconductor engineer)
Robert (Bob) Hartmann is an American semiconductor engineer who co-founded Altera in 1983, served as its Vice President of Engineering until 1994, and is known as the father of programmable logic.
Robert Headen
Robert "Bob" Headen, Washington D.C. high school football and girls' basketball coach at H.D. Woodson, 284-89 football record, eight DCIAA titles, 637-98 girls' basketball record, NFL mentor.
Robert Heimann
Robert Heimann is a private equity investor and Managing Partner of RC Capital, a Cincinnati, Ohio growth equity firm, where he leads the healthcare services practice and joined in 2004.
Robert Heizer
Robert Fleming Heizer (1915–1979) was an American archaeologist and professor at the University of California, Berkeley, known for California and Great Basin prehistory and pioneering archaeological science.
Robert Hendy-Freegard
Robert Hendy-Freegard, aka David Hendy, British con man born 1971 who posed as an MI5 agent, convicted of kidnapping, theft and deception in 2005, freed on appeal in 2009, later jailed in France in 2025.
Robert Herjavec
Robert Herjavec is a Croatian-born Canadian technology entrepreneur who founded and sold BRAK Systems, built the Herjavec Group, and has been a Shark Tank investor since 2009.
Robert Howden
Robert S. Howden is an American Republican politician serving as the 116th Secretary of State of Texas since 2026, appointed by Governor Greg Abbott after serving four Texas governors.
Robert Hungley
Jean Yvan Robert Hungley (born 1957, Rose Hill) is a Mauritian MMM politician, former shipping and import/export executive, Vice-President of Mauritius since December 2024 and Acting President in October 2026.
Robert I of France
Robert I of France (c. 866-923), Robertian king of West Francia elected at Reims 29 June 922 against Charles the Simple; killed 15 June 923 at Soissons; father of Hugh the Great, grandfather of Hugh Capet.
Robert I, Duke of Normandy
Robert I, Duke of Normandy (d. 1035), called Robert the Devil or Robert the Magnificent, son of Richard II, father of William the Conqueror; died returning from pilgrimage to Jerusalem after designating his infant bastard William as heir.
Robert II of France
Robert II the Pious (Robert le Pieux, c. 972–1031), Capetian king of the Franks 996–1031, co-king from 987 under Hugh Capet; excommunicated over Bertha of Burgundy, conquered Burgundy, secured Henry I's succession.
Robert II of Scotland
Robert II (1316–1390), first Stewart king of Scotland (r. 1371–1390), long heir presumptive and regent for David II, crowned at Scone 1371; his family's land distribution reshaped the nobility.
Robert III of Scotland
Robert III of Scotland (John Stewart, Earl of Carrick, c. 1340–1406), second Stewart king of Scots, reigned 1390–1406. Disabled by a horse kick in 1388, he never personally ruled; Albany and his son Rothesay held power before James I's capture by England.
Robert J. Barro
Robert J. Barro, born 1944, is an American macroeconomist, the Paul M. Warburg Professor of Economics at Harvard and a founder of the New Classical school.
Robert J. Bentley
Robert J. Bentley (born 1943) is an Alabama dermatologist and Republican who served as the state's 53rd governor, 2011-2017, winning 57.6% in 2010 and 63.56% in 2014 before resigning April 10, 2017 after pleading guilty to two campaign-finance misdemeanors.
Robert J. Bryan
Robert J. Bryan, also known as Robert Jensen Bryan, is an American jurist serving as a senior United States district judge in Washington since 1986.
Robert J. Carney
Robert J. Carney (d. 2009), Canadian Catholic education historian and University of Alberta professor emeritus; NWT chief superintendent of schools 1969-1971; father of Mark Carney; not the Brown donor or cardiologist of the same name.
Robert J. Colville
Robert John Colville, born 1965, is an American jurist serving as a United States district judge for the Western District of Pennsylvania since 2019, appointed by President Trump.
Robert J. Gordon
Robert J. Gordon is an American macroeconomist at Northwestern University known for arguing in The Rise and Fall of American Growth that 1870-1970 cannot be repeated.
Robert J. Jonker
Robert J. Jonker is an American jurist serving as a United States district judge for the Western District of Michigan since 2007, appointed by President George W. Bush.
Robert J. Luck
Robert J. Luck, also known as Robert Joshua Luck, is an American jurist serving as a federal appeals judge on the Eleventh Circuit since 2019, appointed by President Trump.