He also brought on Joseph Henry, the first Secretary of the Smithsonian and the preeminent American physicist of his time, as his primary science adviser. During the Civil War, both the Union and the ...
Russian President Vladimir Putin (2-R) greets North Korean leader Kim Jong Un (L) during a visit to the Vostochny cosmodrome outside of the town of Tsiolkovsky (former Uglegorsk), some 180 km ...