Complex sentence: As early as 1946 Sears is more noticeable in public working for various radio and television stations-he is visibly working with WPEN AM radio, and by 1948 WCAU-TV, in Philadelphia, Pennsylvania.
Split into simpler sentences: As early as 1946 Sears was more noticeable in public, working for various radio and television stations. He worked at WPEN AM radio, and by 1948 at WCAU-TV, in Philadelphia, Pennsylvania.