Complex sentence: Before his retirement at age 62, Bernstein worked for various movie production companies reading scripts and working as a magazine editor for trade magazines, and also wrote freelance articles for such publications as "Popular Mechanics", "Jewish American Monthly" and "Newsweek".
Split into simpler sentences: Before his retirement at age 62, Bernstein worked for various movie production companies, reading scripts and working as a magazine editor for trade magazines. He also wrote freelance articles for such publications as "Popular Mechanics", "Jewish American Monthly" and "Newsweek".