I would say Isaac Newton because his branch was basically physics. He was concerned with matter and motion. Also measuring mass of the sun and planets.
Triangular Trade routes involved shipments of raw materials, finished goods, and enslaved Africans
The issues were mostly economic because the money had lost all value and the country was in a lot of debt that was accumulated during the war.
<span>He called it a reforming purge that was designed to help the
country. In reality, it was done to make room for his own party because
it was the spoil system in which the governmental positions would go to
party members, not to those who actually deserve it. During his first
term, he changed as much as 20% of government workers.</span>
Sputnik I was the world's first ever artificial satellite that launched by the Soviet Union in 1957. This marked the start of the "space age" which pushed the race between the US and the USSR in the field. Because of this "competition", many scientific discoveries were made to study and even travel to outer space.
