His enterprise gradually increased to an annual $150,000 in sales and allowed him to send his two sons to the Wharton School of the University of Pennsylvania.
"His big[gest] goal in life was that his boys would follow him and build up his business," Morton Seaman told Forbes.
He left Morton, the elder son and college graduate, to help his mother save for the business, while Carl, still in school, worked at weekends and during vacations.
When sales tripled, the same week the ad was published, Morton decided to open a second store to reduce the cost of advertisement per unit.
In the song "Electric Relaxation" on their third album, "Midnight Marauders," Phife Dawg utters the ribald lyric: "Let me hit it from the back, girl/I won't catch a hernia/Bust off on your couch/Now you got Seaman's furniture."