The case went to trial in 2007, but ended when Gray died.
Gray died in May 1968 of cancer, and the strip was continued under other cartoonists.
Gray died of a heart attack on February 11, 2013, aged 54.
After leaving politics, Gray became the chairman of the family company, but died in 1914.
Gray died on October 10, 1952 from a heart attack.
Gray died after the publication of the 1860 second edition, at the age of 34, but his book was continued by others.
Gray died on 17 Jan. 1887, in his eightieth year.
But she couldn't watch Gray die either, cut in half or electrocuted.
Gray died of a heart attack in Manhattan, aged 78.
Gray died on February 18, 2013 from unknown causes, aged 83.