Today, Professor of Fundamental Medicine Yu Tsun-Shu Rudolf Ivanovich performed for 80 years. On behalf of the department we would like to congratulate him on his jubilee and wish him good health and creative success. Yu Tsun-Shu RI In 1964 he graduated with honors from the Alma-Ata State Medical Institute. After graduation, he entered the graduate school at the Department of Histology of the Alma-Ata State Medical Institute and the Laboratory of Cytology of the Institute of Developmental Biology (Moscow). In 1967 completed his postgraduate studies early and successfully defended his dissertation for the degree of Candidate of Medical Sciences under the guidance of well-known professors. AV Kirillicheva and V.Ya. Brodsky. From 1989 to 1998 he worked as a professor, and from 1998 to 2013 he was the head of the Department of Histology of KazNMU named after SD Asfendiyarova. contributes to the study of the laws of morphofunctional changes in cells and tissues in the individual and combined action of external factors, in particular the factors of space flight, in the organism. Rudolf Ivanovich published more than 270 scientific works, received 7 innovative patents for the invention of the Republic of Kazakhstan, one of which - the Eurasian patent (2015). Published the monograph "Fundamentals of histology of the oral cavity and teeth" (1996), which was supplemented and revised in 2012. and 2015. (in the Kazakh language), published 12 textbooks, including 3 Atlas of histology, cytology and embryology and a dictionary of histological terms in three languages, published 26 methodological recommendations. Prepared 4 candidates of science. Happy anniversary to you! I wish you good health, smile, fill this world with kindness, give close love and generous advice. Let every day send you peace, harmony, strength, hope and joy. We wish you endless energy and let your students continue your work in science