“He was surrounded with love from his family and will be sorely missed,” the statement reads.

The book will be published on May 21.

He was an inspiration to us & we will miss him so dearly.

The Real Life Argo CIA Operative Tony Mendez

Credit: Mark Makela/Corbis via Getty Images

Deepest condolences to Jonna & Mendez family."

“This is a crushing loss for his family, friends and our world.

I will miss him very very much.”

A private burial for Mendez will be held in Nevada at the family graveyard.

Iran militants stormed the U.S. Embassy and captured 66 people.

“Tony Mendez was a true American hero,” Affleck wrote in a tweet.

“He was a man of extraordinary grace, decency, humility and kindness.

He never sought the spotlight for his actions, he merely sought to serve his country.

I’m so proud to have worked for him and to have told one of his stories.”