Complex sentence: Arthur, along with his writing partner David Kogan, was twice honored by the Mystery Writers of America with an Edgar Award for Best Radio Drama: in 1950, for "Murder by Experts", and in 1953 for "The Mysterious Traveler".
Split into simpler sentences: Arthur, along with his writing partner David Kogan, was twice honored by the Mystery Writers of America with an Edgar Award for Best Radio Drama. First in 1950 for "Murder by Experts", and then in 1953 for "The Mysterious Traveler".