Author: Ad Heerkens
Alternate names: Adrianus Ludovicus Cornelis Donatus Heerkens;; Heerkens, Ad (Adrianus Ludovicus Cornelis Donatus), 1913-1985;; Heerkens, A.;; Heerkens, Ad;; Heerkens, Ad 1913-1985;; Heerkens, Adriaan;; Heerkens, Adriaan, 1913-1985 ;; Heerkens, Adrianus Ludovicus Cornelis Donatus;
Born: 10 February 1913
Died: 10 April 1985
Bio: Dutch music pedagogue.