Maria Sibylla Merian
Maria Sibylla Merian (2 April 164713 January 1717) was a German-born naturalist and scientific illustrator, a descendant of the Frankfurt branch of the Swiss Merian family. Merian was one of the first naturalists to observe insects directly.
Louise von Panhuys
Louise von Panhuys mainly painted watercolors of plant specimens, with attention to scientific accuracy. She was influenced by the botanical art of Maria Sibylla Merian and the travel writings of Alexander von Humboldt. During her years in Suriname, she painted some 90 watercolors, now housed Frankfurt University Library.