plastics are discovered by Share with your friends Share 0 Dhruv Monga answered this a human -1 View Full Answer Subhashis Dash answered this factories -1 Shet Prajwal P answered this Plastics were discovered by Leo Hendrik Baekeland 1 Ayushman answered this The first plastic based on a synthetic polymer was made from phenol and formaldehyde, with the first viable and cheap synthesis methods invented in 1907, by Leo Hendrik Baekeland, a Belgian-born American living in New York state. 2 Tanvi Srivastava answered this Humans 0 N.keshav answered this Don't know 0 Prakhar Kaushal answered this leo hendrik baekeland 0 Devika answered this Leo hendrik beakeland 0