Cell Theory Timeline By CarynStrasser13 Nov 11, 1500 Spontaneous Generation Jan 1, 1595 Zacharias Jansen First Optical Telescope Nov 11, 1600 Jan Baptist van Helmont Identified Carbon Dioxide Nov 11, 1674 Anton van Leeuwenhoek First Microbiologist Nov 11, 1827 Lorenz Oken Animal Classification Nov 11, 1836 Theodor Shwann Discovered first digestive enzyme
