Turkish-born architect John Gidding has certainly led an intriguing life. After moving to the United States from Europe, he majored in architecture at one Ivy League school (Yale University) and received his master's degree in the same field at another (Harvard University).
A knockout (abbreviated to KO or K.O.) is a fight-ending, winning criterion in several full-contact combat sports, such as boxing, kickboxing, muay thai, mixed martial arts, karate, some forms of taekwondo and other sports involving striking.
The right hand that took him out knocked him out instantly, then he took a vicious blow from the ring when his head bounced violently off the canvas laying him out. With the pure one-shot power, and the horrific head bounce Graham took, this in my opinion is the most brutal knockout in boxing history.