How is the age of the Golden State Warriors player? What period of time has the NBA athlete been alive? What is the length of time has passed since his birth? How many times has Klay Thompson celebrated his birthday? What is Klay Thompson's age? What is the year of birth for Klay Thompson? To what extent time has Klay Thompson spent alive? What is the exact numerical value of the basketball player's present number? How old is Klay Thompson?