 The food stand developed into the fast food chain Nathan's Famous, spearheaded by his son, Murray Handwerker.On March 23, 1974, Nathan Handwerker suffered a heart attack at his home in North Port Charlotte, Florida.He died March 24, 1974, per differing accounts at either St. Joseph's Hospital in Port Charlotte, Florida, or at Sarasota General Hospital, in Sarasota, Florida.