Frank D. Blodgett
• Second President of the University, 1915-1937
• Presided over selection and development of Garden City campus, 1928
• Mayor of Oneonta, New York
• Former Professor of Classics and Greek

Alger B. Chapman
• Chairman of the Board of Trustees, 1949-1958
• Former Chairman of the New York State Tax Commission
• Former Chairman of the New York State Republican Party
• Former Chairman of the Beech Nut Life Savers Co.

Genevieve Beavers Earle
• Class of 1907
• First woman member of the New York City CouncilFormer Professor of Classics and Greek

• Republican Minority Leader of the New York City Council 1940-1949
• Recipient of Honorary Doctorate of Laws, 1942

Paul Dawson Eddy
• Third President of the University, 1937-1965
• Presided over re-establishment of coeducational university, 1946
• Created School of Nursing, 1944
• School of Social Work, 1949
• Established program in doctoral education, 1950

Horace Hagedorn
• Long Island business leader and philanthropist
• Founder of Miracle-Gro Garden Products
• Director Emeritus of The Scotts Company
• Recipient of honorary Doctor of Humane Letters, 2001

Ruth S. Harley
• Class of 1924
• Professor of Latin
• University Registrar, 1932-1942
• University Dean of Women (later Dean of Students), 1942-1970
• Distinguished Service Award, 1953
• Dean Emeritus
• President's Advisory Council
• Alumni Association Board
• Friends of the Adelphi Library

Anna E. Harvey
• Dean of the College, 1912-1935

Charles H. Levermore
• Founder and first President of the University, 1896-1912
• Academic visionary; principal of Adelphi Academy
• Led efforts to create a four year college 1896 •Founding member of the Union League in New York City
• Recipient of Bok Peace Prize, 1924

James A. Linen
• Chairman of the Board of Trustees, 1958-1964
• Former publisher and president of Time Magazine

Robert G. Olmsted
• Acting President of the University, 1967-1969
• Member of the Board of Trustees, 1940-1942, 1949-1972
• Honorary Life Trustee, 1972

James H. Post
• Sugar magnate; philanthropist
• Chairman of the Board of Trustees, 1908-1938

Leon A. Swirbul
• President and one of six founders of Grumman Aircraft
• Engineering Corporation
• Member of the Board of Trustees, 1958-1960
• Recipient of Honorary Doctorate of Laws, 1959

Ruth Fanslow Waldo
• Class of 1909; member of the Board of Trustees, 1938-1964
• Secretary of the Board of Trustees
• Honorary Life Trustee, 1964
• Vice President of J. Walter Thompson Advertising, one of the first women executives in American advertising

Hy Weinberg
• Prominent banker and philanthropist
• Partner of Goldman Sachs & Co
• Husband of Marjorie Weinberg Berman, first master's degree student of the Department of Speech Arts and Communicative Disorders; degree conferred 1961

Timothy L. Woodruff
• Petitioned Board of Regents of the State of New York to grant creating a coeducational college, 1896
• Classmate of Dr. Levermore
• First President of the Adelphi College Board of Trustees, 1896-1908
• Lieutenant Governor of the State of New York, 1896-1902