XVIII. Some Major Steps in the Understanding of the Chemistry and Biochemistry of Chl
Since the turn of the nineteenth century, the green color of plants has attracted the attention of a wide spectrum of scientists. In this section an effort will be made to list chronologically important scientific discoveries that had a clear impact on our understanding of the structure and function of porphyrins and chlorophyll (Chl) in particular. The many different bacteriochlorophylls are not considered in this presentation.