in 1854 he quit his job as a porter, moved to Worcester, Massachusetts, and opened “Molineaux House,” a sparring academy, at his residence.

Hewlett was praised for cultivating athletics culture by Harvard President Charles W. Eliot, abolitionist Thomas Wentworth Higginson, amongst others.

Unbeknown to Hewlett, his health movement would not only influence many students including pugilist Theodore Roosevelt in 1874, it would also become the cornerstone for the Eugenics studies by Dudley Allen Sargent between 1878-1893.

In addition to his work at Harvard, Hewlett was also partial owner of a clothing and variety store on Brattle Street in Cambridge where he sold gymnastic equipment.

[8] When he and his daughter were denied their seats at the Boston Theater in 1866, he petitioned the Commonwealth of Massachusetts to better enforce its own laws and revoke the licenses from establishments that illegally discriminated against African Americans.