Complex sentence: Genentech Inc., a portmanteau of Genetic Engineering Technology, Inc., is a leading biotechnology corporation, which was founded in 1976 by venture capitalist Robert A. Swanson and biochemist Dr. Herbert W. Boyer.
Split into simpler sentences: Genentech Inc., a portmanteau of Genetic Engineering Technology, Inc., is a leading biotechnology corporation, which was founded in 1976 by venture capitalist Robert A. Swanson and biochemist Dr. Herbert Boyer. Genentech was founded by venture capitalist Robert A. Swanson and biochemist Dr. Herbert W. Boyer.