Who was the retired American astronaut who transferred from Expedition 44 to 45 on the International Space Station?
Expedition 45:  Scott Kelly and Mikhail Korniyenko transferred from Expedition 44 as part of their year-long stay aboard the ISS. Scott Kelly (astronaut): Scott Joseph Kelly (born February 21, 1964 in Orange, New Jersey) is an engineer, retired American astronaut, and a retired U.S. Navy Captain.
Scott Kelly