Cobalamin (vitamin B12) was discovered in the first half of the 20th century. Vast amount of information on the role of the vitamins in human health and disease became available. Cobalamin science was
Editors Herrmann (emeritus, medicine, Saarland U., Germany) and Obeid (clinical chemistry, Saarland U.) provide a brief initial chapter on the history of vitamins and the current state of research. Th
