Hi! We, Oleh Kryshtopa and Ivan Dereiko, are the co-authors of the popular Ukrainian Youtube-channel “History for adults”. Oleh Kryshtopa is a writer (wrote more than 10 books, fiction and nonfiction) and a journalist, who works in the historical field for more than 13 years. Ivan Dereiko has PhD in History, formerly - a senior researcher at the Institute of the History of Ukraine of the National Academy of Sciences, now - screenwriter and historical consultant. The main idea of our cooperation is to combine the professional skills of a well-known storyteller and a professional historian to tell Ukrainian harsh and uneasy history in the easiest way possible for the widest audience.