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 Fraternity’s 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. His papers were donated to Howard’s Moorland-Spingarn Research Center.  In 1974, Jewel Callis became the last of the founders to enter the Omega Chapter

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

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 Cornell—Beta at Howard, Gamma at Virginia Union and the original Gamma at the University of Toronto in Canada. In addition to becoming Alpha Chapter’s second President and joining with Callis in creating the Fraternity name, Jones was a member of the first Committees on Constitu tion 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. Jones entered the Omega Chapter in 1954.

George Biddle Kelley became the first African American engineer registered in the state of New York. He was the strongest proponent of the Fraternity idea among the organization’s founders, the civil engineering student who also became Alpha Chapter’s first President. In addition, he served on committees that developed the fraternity’s ritual. Kelly resided in Troy, New York and held active membership in the Beta Pi Lambda Chapter in Albany. Kelley entered the Omega Chapter 1963.

Nathaniel Allison Murray pursued graduate work after completing his undergraduate studies at Cornell. He later returned home to Washington, D.C., where he taught in public schools. He spent most of his career at Armstrong Vocational High School in the District of Columbia. He was a member of Alpha Chapter’s first committee on organization of the new fraternal group, as well as the ritual committee. He was a charter member of Washington’s Mu Lambda Chapter and a frequent attendee at the General Conventions. Murray entered the Omega Chapter in 1959.

Robert Harold Ogle began his career in the 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 Fraternity’s colors and was Alpha Chapter’s first secretary. Ogle joined Kelley in working out the first ritual and later became a charter member of Washington’s Mu Lambda Chapter. Ogle entered the Omega Chapter in 1936.

Vertner Woodson Tandy became the state of New York's first African-American registered 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 Chapter’s first treasurer and also the filed the incorporation papers for the Fraternity. Among the buildings designed by the highly talented architect are the Saint Phillips Episcopal Church in New York City and Madame C.J. Walker's 32-room mansion, the Villa Lewaro. Tandy entered the Omega Chapter in 1949 at age 64.