Famous Researchers' 🎂 Birthdays, April 21, United States
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United States 
researcherBirthdays by Profession
- Politician (122)
- American football player (71)
- Actor (60)
- Baseball player (57)
- Lawyer (51)
- Television actor (45)
- Singer (38)
- Basketball player (35)
- Film actor (35)
- Writer (34)
- Journalist (33)
- Judge (25)
- Businessperson (24)
- Stage actor (20)
- Composer (19)
- Screenwriter (18)
- Film producer (18)
- Songwriter (16)
- University teacher (15)
- Jazz musician (14)
Birthdays by Region
- New York (84)
- California (51)
- Pennsylvania (41)
- Massachusetts (33)
- Illinois (29)
- Texas (28)
- Ohio (23)
- New Jersey (17)
- Connecticut (16)
- Michigan (16)
- Virginia (15)
- Florida (15)
- Louisiana (14)
- Wisconsin (13)
- Kentucky (13)
- Maryland (12)
- North Carolina (11)
- Georgia (11)
- Minnesota (11)
- District of Columbia (10)
