Kenneth Arrow visits the City College in New York, where he earns his Bachelor degrees in Social Science and Mathematics in 1940.

Kenneth Arrow becomes Assistant Professor of Economics at the University of Chicago in 1948.

Kenneth Arrow and Selma Schweitzer get married in 1947. They have two sons, David and Andrew.

In his doctoral thesis about Social choice and Individual Values Kenneth Arrow develops the Arrow Theorem, or Impossibility Theorem. It states that there is no social welfare function that does include all conditions of individual preference order. The theorem marks the beginning of a Social choice theory and includes aspects of welfare economics and theory of justice.

From 1949 to 1968 Kenneth Arrow holds the professorship of Economics and Statistics at Stanford University.

Kenneth Arrow attends the University of Columbia as a graduate student and also joins the Cowles Commission for Research in Economics at the University of Chicago as a research associate.

Kenneth Arrow attends the University of Columbia, where he gains his Master degree in Mathematics in 1941. Arrow is influenced by the statistician-economist Harold Hotelling and changes to the Economics Department.

Kenneth Arrow is awarded the Nobel Prize in Economic Science with John R. Hicks for their pioneering contributions to general economic equilibrium theory and welfare theory.

Kenneth Arrow attends Townsend Harris High School in New York City.

Kenneth Arrow has to interrupt his studies because of World War II in 1942. He serves as a weather officer in the United States Army Air Corps, where he researches the influence of weather on flights and flight planning.

Kenneth Arrow returns to Stanford University and holds the professorship of Economics and Operations Research until he retires in 1991. Currently, he is Professor Emeritus at Stanford.

Kenneth Arrow gains his PhD form the University of Columbia in 1951.

Kenneth Arrow becomes Professor of Economics at Harvard University.

Kenneth Arrow is born to his parents Harry and Lilian Arrow in New York City. They originally immigrated from Romania.