Horia Hulubei: Sub presiunea a patru dictaturi. Acuzații de spionaj și colaboraționism, I

The article details for the first time the complex personality of Professor Horia Hulubei. The most famous Romanian physicist, Hulubei discovered two chemical elements, came very close to winning the Nobel Prize, and lived through four dictatorships in Romania. A world-renowned figure, he was decorated and scientifically recognized both in his country and abroad. He led nuclear research for twenty years and initiated the first program for the construction of nuclear power plants. The Securitatea, the communist secret police, monitored his activities and pressured him. Hulubei made compromises with the regimes in power in Romania. This article presents the personality and work of this great scientist for the first time, without offering a tribute, highlighting both his strengths and weaknesses.