Overton hypothesized that cell membranes are made out of lipids. 1925 – EvertGorter and François Grendel found that red blood cell membranes are formed by
fluid mosaic model that is generally accepted as a partial description. EvertGorter and François Grendel (Dutch physiologists) approached the discovery of
to mean that the cell membrane is a single molecular layer. Prof. Dr. EvertGorter (1881–1954) and F. Grendel of Leiden University approached the problem