Complex sentence: Heir to the George Frederick Gund brewing and banking fortune, he was a philanthropist for most of his life, he established The George Gund Foundation in 1952 and endowed it with most of his $600 million fortune at his death.
Split into simpler sentences: Heir to the George Frederick Gund brewing and banking fortune, he was a philanthropist for most of his life. He established The George Gund Foundation in 1952 and endowed it with most of his $600 million fortune at his death.