Magnesium and chlorophyll

The structure of chlorophyll includes a magnesium atom, analogous to the presence of an iron atom in hemoglobin. This discovery advanced the understanding of the chemical makeup of chlorophyll and its role in plant biology.
 Richard Willstätter Germany 1906 Magnesium and chlorophyll

The structure of chlorophyll includes a magnesium atom, analogous to the presence of an iron atom in hemoglobin. This discovery advanced the understanding of the chemical makeup of chlorophyll and its role in plant biology.