How old would these 25 people be if they were alive today?

I present this post as a tribute to the highly influential The Book of Lists by David Wallechinsky and his family:

How old would these 25 people be if they were alive today?

1. Aaliyah, 30
2. Heather O'Rourke, 33
3. Tupac Shakur, 37
4. River Phoenix, 38
5. Kurt Cobain, 41
6. Chris Farley, 44
7. Brandon Lee, 44
8. Sid Vicious, 52
9. Stevie Ray Vaughan, 54
10. Freddie Prinze, 54
11. Sam Kinison, 55
12. John Belushi, 60
13. Phil Hartman, 60
14. Jim Morrison, 65
15. John Lennon, 68
16. Marvin Gaye, 69
17. Buddy Holly, 72
18. Elvis Presley, 74
19. Patsy Cline, 76
20. Sam Cooke, 78
21. Anne Frank, 79
22. Lenny Bruce, 83
23. Judy Garland, 86
24. Abe Vigoda, 87
25. Robert Johnson, 97

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Sources

• Internet Movie Database - accessed on 2009.2.5.