Josef Flammer
Ophthalmologist and researcher
Specialized in glaucoma and ocular blood flow research. Contributed significantly to the understanding of glaucoma's pathophysiology and treatment options. Held key positions in several professional organizations, influencing the global strategy on eye health. Authored numerous publications, advancing the field of ophthalmology through research on the effects of systemic diseases on ocular health.
Pioneered studies on ocular blood flow
Authored impactful publications on glaucoma
Other People Born on April 21st
Isco
Spanish footballer and midfielder
Born
April 21st, 1992 33 years ago
A professional footballer, he played as a midfielder for several clubs and the Spanish national team. Starting his career at Valencia, he later moved to Malaga, where notable performances led to a transfer to Real Madrid in 2013. While at Real Madrid, achieved significant success, including four UEFA Champions League titles. Represented Spain at various youth levels and the senior national team during major tournaments.
Continue ReadingArianne Hartono
Dutch tennis player and Grand Slam contender
Born
April 21st, 1996 29 years ago
Arianne Hartono is a professional tennis player from the Netherlands. Competing in women's singles and doubles, significant achievements include participation in major Grand Slam tournaments. Hartono gained recognition for her performances on the ITF Women's Circuit and the WTA Tour, showcasing a strong playing style and competitive spirit. Throughout the career, key victories in several tournaments highlighted her skill and determination on the court.
Continue ReadingJarrett Allen
NBA basketball player, All-Star
Born
April 21st, 1998 27 years ago
A professional basketball player from America, played as a center in the NBA. Drafted by the Brooklyn Nets in 2017 as the 22nd overall pick. Achieved notable excellence while with the Cleveland Cavaliers, earning an All-Star selection in 2022. Contributed significantly to teams' defensive strategies and rebound statistics throughout his career. Played college basketball at the University of Texas before transitioning to the NBA.
Continue ReadingYoshito Usui
Japanese illustrator of Crayon Shin-chan
Born
April 21st, 1958 67 years ago
Died
September 11th, 2009 16 years ago — 51 years old
An illustrator and manga artist, gained prominence through the creation of the manga series Crayon Shin-chan, which debuted in 1990. The series follows the adventures of a mischievous five-year-old boy and reflects everyday life in a humorous manner. Usui's work led to adaptations in both animated television series and films, achieving widespread popularity in Japan and internationally. His distinctive drawing style and storytelling contributed to the series being recognized as a significant work in manga culture.
Continue ReadingJencarlos Canela
Singer-songwriter and actor
Born
April 21st, 1988 37 years ago
This American singer-songwriter and actor gained recognition for roles in the soap opera 'Más Sabe el Diablo' and the musical 'The Voice.' He has released several albums, including 'Empatía' and 'Aventura,' showcasing pop and Latin music styles. His career in entertainment began in the late 2000s, leading to further opportunities in both music and acting, including appearances in film and television.
Continue ReadingRicky Berens
American swimmer and Olympic gold medalist
Born
April 21st, 1988 37 years ago
Swam for the University of Texas and competed as a member of the U.S. national team. Contributed to multiple relay victories, excelling in freestyle and individual medley events. Won two gold medals at the 2008 Beijing Olympics as part of the 4x100 meter freestyle and 4x200 meter freestyle relays. Also secured a bronze medal in the 200 meter freestyle at the 2012 London Olympics. After retirement, remained involved in the sport through coaching and mentoring.
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