ecovering from 'life changing' injuries after he was stabbed on stage

stabbed on stage Friday in front of a New York audience in an attack that left him with severe injuries

The family of the 75-year-old author

Sunday after the attack, which ended with the assailant held down by staff and guests and Rushdie airlifted to a hospital.

Though his life changing injuries are severe, his usual feisty & defiant sense of humor remains intact

The suspect, identified as 24-year-old Hadi Matar, of Fairview, New Jersey, was arrested by a state trooper

Authorities are investigating what motivated the stabbing, which has prompted the state to increase police presence in Chautauqua,

Rushdie's writings have won him literary prizes -- and much scrutiny.