Which John was a 19th century California mountain man and trainer of grizzly bears?
Which John was an English Puritan preacher and writer, best known for his book 'The Pilgrim's Progress'?
Which Jacques was a Fench explorer who claimed Canada for France after three voyages in the 1530s and 40s?
Which John was the Duke of Marlborough and victor of the battles of Blenheim, Ramillies and Oudenarde during the War of the Spanish Succession?
Which John was the English Romantic painter of 'Dedham Vale', 'The Hay Wain' and 'The Cornfield'?
Which Jacques was the French scuba diver and co-inventor of the Aqua-Lung in 1943?
Which John was an American astronaut and first American to orbit the earth in 1962?
Which John was an English clockmaker whose marine chronometer solve the problem of establishing the longitude of a ship at sea?
Which John was the English Romantic poet of the works 'Ode on a Grecian Urn', 'Ode to a Nightingale' and 'To Autumn'?
Which John was the US President assassinated by Lee Harvey Oswald in Dallas 1963?
Which John was an American tennis player and winner of seven grand slam singes titles, famous for his temper tantrums?
Which John was a 17th century English poet best known for his epic 'Paradise Lost'?
Which John was a Scottish mathematician and discoverer of logarithms in 1614?
Which Jack is an American actor and director who appeared in the films 'The Shining', 'Batman' and 'A Few Good Men'?
Which Jack is an American golfer, winner of 18 major championships and nicknamed 'The Golden Bear'?
Which John was the American industrialist who founded the Standard Oil Company in 1870?
Which Jack is the fictional pirate captain in the 'Pirates of the Caribbean' film series?
Which Jack was the American astronaut on the ill-fated Apollo 13 mission who made the dramatic announcement, 'Houston, we've had a problem here'?
Which John is an American actor, dancer, and singer who appeared in the films 'Saturday Night Fever', 'Grease' and 'Pulp Fiction'?
Which John was an American actor known for playing cowboys and nicknamed 'Duke'?