Mei Li:
In 1931, the American physical chemist Harold Urey demonstrated the existence of what type of 'weighty' liquid that proved important in the development of the atomic bomb??
Shuai Zheng:
heavy water
Mei Li:
Who was the leader of 617 Squadron, formed during World War II and known as the Dambusters??
Shuai Zheng:
guy gibson
Mei Li:
"Who joined Roy Jenkins, Bill Rogers and Shirley Williams as the Social Democrats ""Gang of Four""?"?
Shuai Zheng:
david owen