The Time 100 is the magazine's list of the 100 most influential people in the world, and the issue features tributes written by high-profile guest contributors.
Among the pairings (honorees and the luminaries writing about them):
Pope Francis by Barack Obama
Jeff Bezos by Peter Thiel
Mary Barra by Lee Iacocca
Hillary Clinton by Malala Yousafzai
John Green by Shailene Woodley
John Kerry by Hillary Clinton
Sister Rosemary Nyirumbe by Forest Whitaker
Rand Paul by Mitch McConnell
Withelma "T" Ortiz Walker Pettigrew by Ricky Martin
Internal covers feature Robert Redford, Mary Barra and Jason Collins.
The issue hits newsstands Friday.