Donald Lines Jacobus was born in New Haven, Connecticut, on 3
        October 1887, and pursued genealogical studies and research from a 
        very early age. 
              He earned a B.A. from Yale University in 1908 and an M.A. in 
        1911. He served as a member of the American Expeditionary Forces in 
        World War I. 
              Jacobus founded "The American Genealogist" (TAG) in 1922 and 
        published his "Families of Ancient New Haven" in three volumes, 
        beginning in 1923. 
              He was the founder of the highly respected New Haven School of 
        Genealogy, which demanded that high scholarly standards be applied to 
        Genealogy and was elected as a Fellow of the American Society of 
        Genealogists (FASG) in 1941, as just the fourth member of that 
        distinguished group. 
              Donald Lines Jacobus died on 7 October 1970, in New Haven. 
        D.Spencer Hines, 4 June 2002.
 

Source: Leo van de Pas