Question:
Which employer did Frank Peters Jr. work for in Aug, 1956?

Context:
 Frank Peters Jr. works for Rome Daily American from Jan, 1962 to Jan, 1964. 
 Frank Peters Jr. works for St. Louis Post-Dispatch from Jan, 1964 to Jan, 1988. 
 Frank Peters Jr. works for KGBX-FM from Jan, 1954 to Jan, 1957. 
 Frank Peters Jr. works for Arkansas Gazette from Jan, 1957 to Jan, 1959. 
 Frank Peters Jr. works for Springfield News-Leader from Jan, 1959 to Jan, 1962.

Answer:
KGBX-FM