On April 25, 1943, Laderman was inducted into the United States Army and served as a radio operator with the 69th Infantry Division during World War II.
The Battle of the Bulge, crossing the Rhine at Remagen, liberating Leipzig, meeting the Russians at Torgau on the bank of the Elbe were the points in this constellation that was filled with tension and waiting, victory and grief.
[4] Laderman has been commissioned three times by the Philadelphia Orchestra, twice by the National, Louisville and Chicago Symphonies as well as from the New York Philharmonic, Detroit, Pittsburgh, Los Angeles Philharmonic, Dallas, Houston, Fort Worth, Syracuse, Denver, Columbus, Albany, and New Haven Symphony Orchestras.
In 1971 he collaborated with Alfredo Antonini – Musical Director of the CBS Symphony Orchestra during the television premier of his opera And David Wept..
In addition he has written for such distinguished artists as Jean-Pierre Rampal, Yo-Yo Ma, Emanuel Ax, Sherrill Milnes, Aldo Parisot, Samuel Baron, David Shifrin, Ransom Wilson, Judith Raskin, Elmar Oliveira, Erica Morini, Nathaniel Rosen, Stephen Kates, Toby Appel, and Leonard Arner, among many others.
[13] A resident of Teaneck, New Jersey, Laderman was named as Dean at the Yale School of Music in 1989 and served in that position to 1995.