Background 1920s:Introduction of the Thomas-Fermi model. 1964:Hohenberg-Kohn paper proving existence of exact DF. 1965:Kohn-Sham scheme introduced. 1970s and early 80s:LDA.DFT becomes useful. 1985:Incorporation of DFT into molecular dynamics(Car-Parrinello) (Now one of PRL's top 10 cited papers). 1988:Becke and LYP functionals.DFT useful for some chemistry. 1998:Nobel prize awarded to Walter Kohn in chemistry for development of DFT.Background  1920s: Introduction of the Thomas-Fermi model.  1964: Hohenberg-Kohn paper proving existence of exact DF.  1965: Kohn-Sham scheme introduced.  1970s and early 80s: LDA. DFT becomes useful.  1985: Incorporation of DFT into molecular dynamics (Car-Parrinello) (Now one of PRL’s top 10 cited papers).  1988: Becke and LYP functionals. DFT useful for some chemistry.  1998: Nobel prize awarded to Walter Kohn in chemistry for development of DFT