Some may call him the maestro, or the greatest of all time, or simply Roger Federer. The 20-time Grand Slam champion turned 39 years young yesterday, and although he may not be on the court winning titles, the Swiss star has countless accomplishments to celebrate as he rings in another birthday. 

 
 
 
 
 
 
 
 
 
 
 
 
 

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Federer's impact goes far beyond the court and one can see this through the many people around the world that he has touched and inspired. Whether it be Billie Jean King, who has come to know Federer on a personal level or a fan chanting his name amidst a packed Court Philippe Chatrier, a sincere admiration for the Swiss is universal. 

Here are just a few notable names that wished Federer happy birthday. 

1

Rod Laver

2

Billie Jean King

3

Chris Evert

4

Craig Tiley

5

Siya Kolisi

6

Rogers Cup

7

Davis Cup

8

ATP Tour

9

US Open

10

Roland Garros

It should really come as no surprise that people of all backgrounds took part in celebrating the champion's special day.