Oktay Sinanoğlu, 25 May 1935 in Bari, Italy, was a distinguished scientist renowned for his contributions to chemical engineering and academia. He taught in the fields of chemistry, molecular biophysics, thermodynamics and quantum mechanics. In 1975, he became the first and only person in the Republic of Türkiye to be awarded the special title of “Republic Professor.” Beyond his academic achievements, his views on the Turkish language and education also sparked widespread debate in Türkiye.

Life and Education

Sinanoğlu’s father, Nüzhet Haşim Sinanoğlu, was serving as consul general in Bari, Italy. In 1939, following the outbreak of the Second World War, he returned to Türkiye with his family.

In 1953, Sinanoğlu graduated first in his class from TED Ankara College Yenişehir High School. In the same year, he went to the United States on a Fulbright scholarship. In 1956, he earned his bachelor’s degree in chemical engineering from the University of California, Berkeley. He then completed his master’s degree in 1957 at the Massachusetts Institute of Technology (MIT) and was awarded the Sloan Prize.

Between 1958 and 1959, after completing his habilitation thesis, he pursued his doctorate in theoretical chemistry at the University of California, Berkeley, under the supervision of Kenneth Pitzer.

Academic Career

In 1960, Sinanoğlu began his academic career as a faculty member at Yale University. On 1 January 1963, he became a full professor in chemistry and, at that time, the youngest person ever to hold that rank at Yale in the 20th century. It was later noted that he was the second youngest full professor in Yale’s last 100 years and the third youngest in its 300-year history.

In 1964, he founded the department of theoretical chemistry at Yale University. Throughout his academic career, he developed the following theories:

• In 1961, the many-electron theory of atoms and molecules,
• In 1964, the solvation theory,
• In 1974, the theory of chemical reaction mechanisms,
• In 1981, microthermodynamics,
• In 1983, the valence shell interaction theory.^【1】

In 1988, he published a method based on mathematical models he developed to predict how chemicals would react when combined in a laboratory setting. This method became known as the “Sinanoğlu Reduction.”

Sinanoğlu served at Yale University for 37 years before retiring in 1997. During his tenure at Yale, he advised several Turkish universities, TÜBİTAK, and the Japan Society for the Promotion of Science (JSPS). In 1962, he was appointed professor by Middle East Technical University (ODTÜ). In 1975, he was granted the title of Republic Professor of Türkiye by a special law.^【2】

Books Authored

Academic Books

• Modern Quantum Chemistry: Istanbul Lectures (Academic Press, 1965)
• Sigma Molecular Orbital Theory (Yale Press, 1970)
• Three Approaches to Electron Correlation in Atoms and Molecules (with K. Brueckner, Yale Press, 1971)
• New Directions in Atomic Physics (with E. Condon, Yale Press, 1971)

Other Books

• Göçmen Hamamı (ISBN 9786054569014)
• 2050'ye 5 Kala Dünyanın 105 Yıllık Tarihi (ISBN 9944090674)
• İlerisi İçin (ISBN 9944090611, ISBN 9944090612)
• Türkçe Giderse Türkiye Gider (ISBN 9944090605)
• Bye Bye Türkçe / Bir Nev-York Rüyası (ISBN 9752977634, ISBN 9752977631)
• Büyük Uyanış (ISBN 975841027X, ISBN 9752977669)
• Hedef Türkiye (ISBN 9758410229, ISBN 9752977648)
• Ne Yapmalı / Yeniden Diriliş ve Kurtuluş İçin (ISBN 9752977626)
• Yeni Bilim Ufukları I (ISBN 9789944090)
• Yeni Bilim Ufukları 2 - Yeni Bir Matematik Kuramı ve Onunla Bazı Fizik Kimya İlkelerinin Bulunması (ISBN 9789789944095)
• Yeni Bilim Ufukları 3 - Hayatın Örgüsü Elli Yıllık Biyolojinin Temellerini Sarsan Sorular (ISBN 9944090681)
• Açıklamalı Fizik, Kimya, Matematik Ana Terimleri Sözlüğü (ISBN 9789751619679)