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.
There are three main categories of concussions. The first is often seen with a knockout in boxing when the loss of consciousness is brief and usually lasting only 8-10 seconds. The second and more severe classification is when consciousness is lost for less than 6 hours as is sometimes the case in automobile accidents.