Peggy Whitson
 
                                 As a retired NASA astronaut, American biochemistry researcher, and former NASA Chief Astronaut, Peggy Whitson has achieved a great deal in her life. Whitson has a strong academic background and holds a doctorate in biochemistry from Rice University as well as a Bachelor of Science in biology and chemistry from Iowa Wesleyan College. Whitson obtained useful experience at the Johnson Space... read full bio

 
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
                                  
               
               
               
               
              