Mathematics
Black people were the first to develop mathematics in Africa 37,000 years ago, as it was the first method of counting. Africans in the region known as modern-day Egypt, scripted textbooks about math that included division, multiplication, algebraic equations, fractions and geometric formulas to calculate the area and volume of shapes.
Source: taneter.org
Business/Economics
The richest man to ever live was a black man named Mansa Musa. Musa, who was an emperor of the great African empire Mali from 1312 to 1337, was one of the most influential leaders the world has ever known.
Mastering commerce and trade, Musa accumulated an estimated $400 billion during his reign, according to a new inflation-adjusted list by Forbes.com, making him the richest man in the history of the world.
Source: Huffington Post