Complex sentence: Poole was not educated as a scientist, but he nonetheless wrote most of the programs, and acted as its on-air host; from 1950--1956, the program was syndicated nationally by the DuMont Network and by ABC.
Split into simpler sentences: Poole was not educated as a scientist, but he nonetheless wrote most of the programs, and acted as its on-air host. From 1950--1956, the program was syndicated nationally by the DuMont Network and by ABC.