An important feature of this book is the compilation of Nobel Prizes in medicine, Physiology, Physics, and Chemistry from 1901 to 2015 which have impacted the contemporary medical practice and conferred the greatest benefits to mankind: for instance the discovery of the Tuberculosis bacterium and malaria parasite, work on Poliomyelites, typhus and allergies, development of sulfa, penicillin and streptomycin, discovery of vitamins and treatment of their deficiencies, the synthesis of antihistaminic, beta blockers, cortisone and anti cancer drugs, the invention of electrocardiogram, X-ray, CT, MRI and radionuclide tracer studies, the deciphering of the structure of the DNA molecule, cell energy metabolism and intra cellular organelles, molecular biology + immunology all these have become inseparable parts of today's medical practice.