Grace Martinez——Studied at University of Michigan, Lives in Ann Arbor, MI
Samuel GrothBusan, South Korea: Samuel Groth of Australia achieved a World Record of the fastest serve ever in tennis history with a service speed of 163.7 mph (263.4 kph) at the Busan Open 2012 Challenger Event.Jun 25, 2015read more >>
QuesHub is a place where questions meet answers, it is more authentic than Quora, but you still need to discern the answers provided by the respondents.