Hideki Yukawa completes his secondary education at Third Higher School in Kyoto.

Hideki Yukawa obtains his doctoral degree in Physics at Osaka Imperial University.

Hideki Yukawa dies in Kyoto, at the age of 74, from pneumonia and heart failure.

Hideki Yukawa returns to his position as Professor of Theoretical Physics at the Kyoto Imperial University.

Hideki Yukawa works as an editor of the journal "Progress of Theoretical Physics".

Hideki Yukawa receives the Nobel Prize for Physics for his prediction of the existence of mesons on the basis of theoretical work on nuclear forces.

Hideki Yukawa receives the Imperial Prize of Japan Academy.

Hideki Yukawa is born in Tokyo and is the third son of Takuji Ogawa and Sumiko Yukawa. Yukawa grows up in Kyoto, where his family moves as his father obtains a position as Professor of Geology at Kyoto University.

Hideki Yukawa receives the Decoration of Cultural Merit from the Japanese Government.

Hideki Yukawa becomes Visiting Professor at Columbia University, New York City.

Hideki Yukawa becomes a lecturer in Physics at the Kyoto Imperial University.

Hideki Yukawa becomes lecturer in Physics at the Osaka Imperial University.

Hideki Yukawa, while at Osaka Imperial University, publishes his paper "On the Interaction of Elementary Particles. I." (Proc. Phys.-Math. Soc. Japan, 17, p. 48), in which he proposed a new field theory of nuclear forces and predicted the existence of the meson.

Hideki Yukawa completes his Master of Science in Physics at the Kyoto Imperial University, where he has also done his undergraduate education.

Hideki Yukawa retires from Kyoto Imperial University as Professor Emeritus.

Hideki Yukawa publishes his book "Introduction to the Theory of Elementary Particles".

Hideki Yukawa becomes Professor of Theoretical Physics at the Kyoto Imperial University.

Hideki Yukawa becomes Visiting Professor at the Institute for Advanced Study in Princeton.

Hideki Yukawa publishes his book "Introduction to Quantum Mechanics".

Hideki Yukawa marries his wife Sumiko, with whom he will have two sons, Harumi and Takaaki.

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