Birthdays are key indicator in astrology.. 

At present birthdays around 20 are key.. intense energy there.. 

Birthdays around 25 are seeing pressure from Saturn .. 

New moon coming up on July 16 to push things for Cardinal signs .. Cardinal signs will feel push to new direction. 

• Paul dirac - Physicist
• Roger Penrose -  Mathematician
• Ken Williamson-  Cricketer
• Roger Federer - Tennis
• Felix Auger-Aliassime - tennis