Otto Heinrich Warburg

Green, red, and mixed shades of haemins are known. If magnesium is replaced by iron in chlorophyll, green haemins are obtained. Their colour is due to a strong band in the red which is already recognized in chlorophyll.
Green, red, and mixed shades of haemins are known. If magnesium is replaced by iron in chlorophyll, green haemins are obtained. Their colour is due to a strong band in the red which is already recognized in chlorophyll.
Rotate quotes
band  chlorophyll  colour  

These are some quotes by German author Otto Heinrich Warburg Scientist, who lived between October 8, 1883 and August 1, 1970.