Roald Hoffmann is appointed Associate Professor of Chemistry at Cornell University.

Roald Hoffmann and his mother move to Przemysl (Poland).

Roald Hoffmann and his family move to a displaced persons' camp in Bindermichl, near Linz in Austria

Roald Hoffmann is elected member of the National Academy of Sciences.

Roald Hoffmann and his family is taken into a labor camp after the German invasion of Poland.

Roald Hoffmann shares with Kenichi Fukui the Nobel Prize in Chemistry.

Roald Hoffmann and his mother move to Krakow where he starts school.

Roald Hoffmnan receives his B.A., summa cum laude, majoring in chemistry from Columbia College. During the summers, Hoffman worked at the National Bureau of Standards in Washington and the Brookhaven National Laboratory.

Roald Hoffmann graduates from Stuyvesant High School where he won a Westinghouse science scholarship.

Roald Hoffmann is elected member of the American Academy of Arts and Sciences.

Roald Hoffmann is appointed Junior Fellow at the Society of Fellows at Harvard.

Roald Hoffmann and his family arrive to the United States. They settle in Brooklyn.

Roald Hoffmann marries Eva Borjesson.

Roald Hoffmann receives his PhD in chemical physics from Harvard. He does theoretical work with W. E. Moffitt and M. Pgouterman. Later he switches advisors and starts to work with W.N. Lipscomb with whom he explores the uses of computers in chemistry. His thesis deals with the molecular orbital theory of polyhedral molecules, particularly boron hydrides, and with the application of second quantization methods to the study of excited states of helical polymers.

Roald Hoffmann gains a scholarship from P.O. Lowdin's Quantum Chemistry Group at Uppsala to attend a Summer School. The school was held on Lidingö, an island outside of Stockholm.

Roald Hoffmann and his mother were snuggled out of the labor camp by his father. With some other family members, they hide in the attic of a school house.

Roald Hoffmann is born in Zloczów (Poland) to civil engineer Hillel Safran and teacher Clara Rosen. He later became the stepson of Paul Hoffmann

Roald Hoffmann goes to the Moscow University. This stay was under the auspices of the graduate student exchange between the U.S.A. and the USSR. At Moscow University Dr. Hoffmann worked with A. S. Davydov on exciton theory.

Roald Hoffmann and his family move to a displaced persons' camp in Wasseralfingen bei Aalen in Germany.

Roald Hoffmann, his mother and stepfather move to Czechoslovakia.

Roald Hoffmann and his family move to a displaced persons' camp in Munich, Germany.

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