Check out Hermann Hellriegel's haircuts throughout his career:
Hermann Hellriegel had many different haircuts during his lifetime. He was well known as an outstanding chemist and writer. However, the German chemist was particularly known for his unusual sense of fashion and his livable personality. Before his demise at age 64 he was repeatedly talked about in the press due to his exceptionally hair. Check out Hermann Hellriegel's classic looks in the image gallery right here:
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