work contributed largely to the development and understanding of organelle inheritance in Epilobium and other plants with two or more chloroplasts per cell. Bibliography Michaelis, P (1951) Interactions between genes and cytoplasm in Epilobium. Cold Spring Harb Symp Quant Biol. 16:121-129. Michaelis, P (1954) Cytoplasmic inheritance in Epilobium and its theoretical significance. Adv Genet 6:288–402. Michaelis, P (1959) Cytoplasmic inheritance and the segregation of plasmagenes. X. International Congr. Genet. I. 375-385 Michaelis, P (1966) The proof of cytoplasmic inheritance in Epilobium (a historical survey as an example for the necessary proceeding). Nucleus 9:1-16 Michaelis, P (1971) The investigation of plasmone segregation by the pattern-analysis. Nucleus 10: 1-14 References External links www.mpg.de www.mpiz-koeln.mpg.de German geneticists 20th-century German botanists 1900 births 1975 deaths