According to the Internet source given below, Erna Woll was a German composer, church musician and author born in St. Ingbert in the Saar.
She studied music at the Evangelisches Kirchenmusikalisches Institut Heidelberg with Wolfgang Fortner and composition with Joseph Haas and Gustav Geierhaas at the Munich Academy of Music. On converting to Catholicism studied Catholic church music at the Cologne Music Academy with Heinrich Lemacher, Theodor Bernhard Rehmann and Hermann Schroeder.
Erna Woll composed over 200 works including solo songs, choruses, motets, cantatas and choral pieces. She was especially interested in the music genre of New Sacred Song (Neues Geistliches Lied).
||Biography by wikipedia.org.