Jaak Kikas (b. 1949) is Estonian physicist, professor emeritus of University of Tartu. He got his PhD in 1979 from the Institute of Physics of Estonian Academy of Sciences. In 1986 he obtained the professorship in Physics of Disordered Systems at University of Tartu. His research has been related to the development of methods of laser spectroscopy of solids and their application to the studies of solids with different degree of disorder, such as glasses and incommensurate crystals, as well as to applications of these methods in optical informatics and sensorics. Together with his colleagues he won in 1986 the USSR State Prize for Science. Jaak Kikas has been active in introducing and promoting of his speciality in media. He is the winner of the Estonian Science Popularisation Award and has been proclaimed the Friend of Estonian Science
Journalism. Jaak Kikas is the chairman of the science board of the Science Centre AHHAA. He is also involved in artistic photography, including several personal exhibitions. Jaak Kikas is a member of the Tartu Artists’ Union.