Original sentence: In 1944, the character was given her own show, and during the 1940s, it became one of the nation's favorite radio situation comedies, with products from a variety of sponsors (Post Cereals, Sanka, Spic-n-Span, Jell-O) being touted by a half-dozen announcers -- John Conte (early 1940s), Tobe Reed (1944-45), Harlow Willcox (mid-1940s), Dick Joy, Don Wilson and Ken Wilson
Edited sentence: In 1944, the character was given her own show, and during the 1940s, it became one of the nation's favorite radio situation comedies, with products from a variety of sponsors (Post Cereals, Sanka, Spic-n-Span, Jell-O) being touted by a half-dozen announcers—John Conte (early 1940s), Tobe Reed (1944-45), Harlow Willcox (mid-1940s), Dick Joy, Don Wilson and Ken Wilson