Complex sentence: Irving B. Harris (August 4,1910-September 25,2004) was an American businessman and philanthropist, who co-founded with his brother the Toni Home Permanent Company, which was sold to the Gillette Safety Razor Co. in 1948.
Split into simpler sentences: Irving B. Harris (August 4,1910-September 25,2004) was an American businessman and philanthropist. He co-founded with his brother the Toni Home Permanent Company, which was sold to the Gillette Safety Razor Co. in 1948.