Who were Alonzo Herndon, Chloe spear and Josiah waddle?

The answer is former slaves who became prominent African American

Explanation:

Alonzo Herndon was born into slave became a free man, and a business man becoming the first African American billionare. Chloe Spear was a slave whose diary was publised after her death Josiah Waddle was the son of a slave who became an important soldier in the Civil War in the first colored infantry

Apex Answer: former slaves who became important in the african american business and social world