Ivan Zhelyazkov Author

Professor Ivan Zhelyazkov, 82 passed away on Friday, March 26, 2021 at Sofia, Bulgaria. He was a great plasma Physicist, devoted teacher, wonderful human being, colleague and friend, who worked for many national and international collaborative projects. His main research was on Kelvin Helmholtz Instability (KHI), which can be one of the contributions for cracking the coronal heating problem, which still remains a mystery. He was a great research supervisor for many doctoral students. Professor Zhelyazkov published more than 100 research papers in international journals of repute. He established a scientific school and guided many of them on the way.