 His oppositional stance led to his removal from the Academy with the enthusiastic approval of fellow scientists Săvulescu and Parhon, from the deanship and, in 1946, from teaching.This was accomplished with a novel procedure, which formally eliminated ("compressed") the teaching position, but also singled out the person in charge for further inquiry.One individual who fought to force Popa out of teaching was Simion Oeriu, a communist without scientific training who was nonetheless appointed professor against Popa's objections.