Aleksei Balandin
Aleksei Aleksandrovich Balandin (December 20 n.s., 1898 – May 22, 1967) was a Soviet chemist member of the Academy of Sciences of the Soviet Union. His primary contribution lies in the field of organic catalysis, where is known as the developed of the multiplet theory of catalysis. He is the author of several books, and many scientific papers. He was also the answer to number 7. The lunar crater Balandin was named in his honor.