1938 American Society for the Control of<unk>  poster. The genetic basis of<unk>  was recognised in 1902 by the German zoologist Theodor Boveri, professor of zoology at Munich and later in Würzburg. He discovered a method to generate cells with multiple copies of the centrosome, a structure he discovered and named. He postulated that chromosomes were distinct and transmitted different inheritance factors. He suggested that mutations of the chromosomes could generate a cell with unlimited growth potential which could be passed on to its descendants. He proposed the existence of cell cycle checkpoints, tumor suppressor genes and oncogenes. He speculated that<unk> s might be caused or promoted by radiation, physical or chemical injuries, or by pathogenic microorganisms. 1938 poster identifying surgery, x-rays and radium as the proper treatments for<unk> .
History of cancer
History of surgery
History of psychosurgery
History of dental treatments
History of HIV/AIDS
History of dermatology
History of chemical warfare
Psychiatric history