Peter Dirck Keyser
Peter Dirck Keyser( born in Philadelphia, Pennsylvania, 8 February 1835; died same place, 8 March 1897) was a United States ophthalmologist.
Yoris Grandjean
Yoris Grandjean( born 20 March 1989) is a Belgian swimmer, who specialized in sprint freestyle events.
He won two gold medals at the 2006 FINA Youth World Swimming Championships, and later represented Belgium at the 2008 Summer Olympics.
Since 2009, he still currently holds a Belgian record( 22.13) in the 50 m freestyle from the national championships in Antwerp.
Grandjean also trains for Liège Swimming Club under his head coach Andre Henvaux.
Grandjean made his international debut at the 2006 FINA Youth World Swimming Championships in Rio de Janeiro, Brazil, where he achieved a total of three medals, and established multiple meet records: two golds each in the 50 m freestyle( 22.74) and 100 m freestyle( 50.32), and a silver in the 200 m freestyle( 1:52.20).
Entering his senior season, Grandjean competed in a sprint freestyle double at the 2008 Summer Olympics in Beijing.
He achieved a FINA A- standard entry time of 49.09( 100 m freestyle) after finishing sixth from the European Championships in Eindhoven, Netherlands.
In the 100 m freestyle, Grandjean placed nineteenth on the morning prelims.
Swimming in heat seven, he blasted a new Belgian record of 48.82 in a Speedo techsuit, but narrowly missed the semifinal cut by only 0.27 of a second.
Two days later, in the 50 m freestyle, Grandjean put up an astonishing swim with a fourth- place time and a Belgian record of 22.45 in heat nine, edging out Finland's Matti Rajakylä by a small fraction of a second.
Grandjean failed to advance into the semifinals, as he placed twenty- eighth overall out of 97 swimmers in the prelims.
Grandjean was also selected as a reserve for the Belgian squad at the 2012 Summer Olympics in London, but did not compete in the 4 × 200 m freestyle relay.
His teammates Louis Croenen, Dieter Dekoninck, Pieter Timmers, and Glenn Surgeloose failed to reach the top 8 final, finishing only in twelfth place with a time of 7:14.44.
At the 2012 European Short Course Swimming Championships in Chartres, France, Grandjean solidified his Belgian team( Timmers, Emmanuel Vanluchene, and Jasper Aerents) to take the bronze in the 4×50 m freestyle relay, posting their time of 1:25.60.
Hieronymus Payer
Hieronymus Payer( 13 February 1787 in Vienna- Meidling; died 17 August 1845 in the same place) was an Austrian composer and pianist.
George Boe
George Boe( born March 5, 1985) in Monrovia) is a Liberian footballer( midfielder) playing currently for Spitha Ionikos.
He is also a member of the Liberia national football team.
Charles O'Hara
General Charles O' Hara( 1740 – 25 February 1802) was a British military officer who served in the Seven Years' War, American War of Independence, and French Revolutionary War, and later served as Governor of Gibraltar.
During his career O' Hara personally surrendered to both George Washington and Napoleon Bonaparte.
Nicolas Grandjean
Nicolas Grandjean( born February 14, 1967) is a French professor of physics.
His achievements include over 600 books and articles, giving him an h-index of 62.
René Grandjean (footballer)
René Grandjean( born 1872, date of death unknown) was a French football player who competed in the 1900 Olympic Games.
In Paris he won a silver medal as a member of the Club Français club team.
Alfred Oppenheim (chemist)
Alfred Oppenheim( 3 November 1878 in Berlin – 14 May 1943 at the same place) was a German chemist and gas mantle manufacturer.
J. Grandjean
J. Grandjean( born 1898, date of death unknown) was a Swiss wrestler.
He competed in the Greco- Roman middleweight event at the 1924 Summer Olympics.
Bettijane Sills
Bettijane Sills is an American ballerina.
Sills has had a long career in theater and as a soloist in the New York City Ballet.
During her career, she danced for both George Balanchine and Jerome Robbins.

Question: Were both George Boe and Yoris Grandjean, born in the same place?
Answer: no