 Dr. Cade remained humble about his chance discovery, describing himself as merely a gold prospector who happened to find a nugget.Finally, in July 2004, the Medical Journal of Australia reported that Cade's 1949 article, "Lithium salts in the treatment of psychotic excitement", was the number one most cited MJA article.John Cade died of oesophageal cancer at Fitzroy on 16 November 1980, and is buried at Yan Yean Cemetery in Whittlesea.