Dr. Leonard G. Horowitz on 528 Love

Tetrahedron, LLC is a non-profit educational corporation that was founded in 1978 by internationally known public health authority, Dr. Leonard G. Horowitz, to educate people around the world on matters of extreme public importance. For more than a quarter century, our growing list of offerings have endorsed taking personal responsibility for health choices, achieving optimal wellness, assuring disease prevention through positive lifestyles and risk avoidance, and keeping abreast of controversial social, economic, environmental, and political issues that pose myriad threats during this fascinating and challenging age.