Alternative cancer treatment advocates

John Steven "Jay" Kordich (August 27, 1923 – May 27, 2017) was an American author and advocate of juicing and juice fasting. Kordich was best known as the "Juiceman" and the "Father of Juicing" in the United States.

Luigi Di Bella (17 July 1912 in Linguaglossa – 1 July 2003 in Modena) was an Italian medical doctor and physiology professor. In the late 1980s, he created a purported treatment known as "Di Bella therapy" for cancer that precipitated an international controversy.
Studies demonstrated that Di Bella's therapy for cancer is totally ineffective. Medical experts consider his cancer therapy dangerous and unscientific.

O. Carl Simonton (born 29 June 1942 in Los Angeles, died 18 June 2009 in Agoura Hills) was a specialist in radiology and oncology most notable for his unproven cancer treatment methods.