Henry Arthur Callis became a practicing physician, Howard University Professor of Medicine and prolific contributor to medical journals. Often regarded as the philosopher of the founders, and a moving force in the Fraternitys development, he was the only one of the Cornell Seven to become General President. Prior to moving to Washington, D.C., he was a medical consultant to the Veterans Hospital in Tuskegee, Alabama. Upon his death in 1974, at age 87, the Fraternity entered a time without any living Jewels. His papers were donated to Howards Moorland-Spingarn Research Center.

Charles Henry Chapman entered higher education and eventually became Professor of Agriculture at what is now Florida A&M University. A university funeral was held with considerable Fraternity participation when he became the first Jewel to enter Omega Chapter in 1934. Described as a Brother beloved in the bonds, Chapman was a founder of FAMUs Beta Nu Chapter. During the organization stages of Alpha Chapter, he was the first chairman of the Committees on Initiation and Organization.

Eugene Kinckle Jones became the first Executive Secretary    of the National Urban League. His 20-year tenure with the Urban League thus far has exceeded those of all his successors in office. A versatile leader, he organized the first three Fraternity chapters that branched out from CornellBeta at Howard, Gamma at Virginia Union and the original Delta at the University of Toronto in Canada. In addition to becoming Alpha Chapters second President and joining with Callis in creating the Fraternity name, Jones was a member of the first Committees on Constitution and Organization and helped write the Fraternity ritual. Jones also has the distinction of being one of the first initiates as well as an original founder. His status as a founder was not finally established until 1952. He died in 1954.

George Biddle Kelley became the first African American engineer registered in the state of New York. Not only was he the strongest proponent of the Fraternity idea among the organizations founders, the civil engineering student also became Alpha Chapters first President. In addition, he served on  committees that worked out the handshake and ritual. Kelley was popular with the Brotherhood. He resided in Troy, New York and was active with Beta Pi Lambda Chapter in Albany. He died in 1963.

Nathaniel Allison Murray pursued graduate work after completing his undergraduate studies at Howard. He later returned home to Washington,  D.C., where he taught in public schools. Much of his career was spent at Armstrong Vocational High  School in the District  of Columbia. He was a member of Alpha Chapters first committee on organization of the new fraternal group, as well as the Committee on the Grip. The charter member of Washingtons Mu Lambda Chapter was a frequent attendee of General Conventions. He died in 1959.

Robert Harold Ogle entered the career secretarial field and had the unique privilege of serving as a professional staff member to the United States Senate Committee on Appropriations. He was an African American pioneer in his Capitol Hill position. He proposed the Fraternitys colors and was Alpha Chapters first secretary. Ogle joined Kelley in working out the first ritual and later became a charter member of Washingtons Mu Lambda Chapter. He died in 1936.

Vertner Woodson Tandy became the state of New Yorks first registered black architect, with offices on Broadway in New York City. The designer of the Fraternity pin holds the distinction of being the first African American to pass the military commissioning examination and was commissioned First Lieutenant in the 15th Infantry of the New York State National Guard. He was Alpha Chapters first treasurer and took the initiative to incorporate the Fraternity. Among the buildings designed by the highly talented architect is Saint Phillips Episcopal Church in New York City. He died in 1949, at age 64.