Yesterday, on July 10, a world-renowned scientist, academician of the National Academy of Armenia, founder and first head of the Department of Modern Armenian History at the California State University, author of the monumental four-volume work "Republic of Armenia" and the Armenian Genocide and Historical Homeland, passed away, July 10, in the city of Los Angeles, USA at the age of 90. Richard G. Hovhannisyan, the author of many books on