Sumner Alexander Furniss (1874–1953) was a prominent Black doctor, founding member and president of the Indianapolis Young Men's Colored Association, councilman, and freemason.

[1][2] His family moved from Jackson, Mississippi to Indianapolis when he was young and he attended the local schools.

Summer attended Lincoln University (Missouri) and then Medical College of Indiana, graduating in 1894 as the only African American in his class.

[5] He was the Sovereign Grand Commander of the United Supreme Council of the Scottish Rite.

A Prince Hall lodge is named after him as well as a Sickle Cell Research Center.