Complex sentence: Its first president was Don Octavio Valenzuela Lazo (12 March 1952 to March 12,1953), academic activity remained in the hands offour Faculty Councils under the tuition of the University Council.
Split into simpler sentences: Its first president was Don Octavio Valenzuela Lazo (12 March 1952 to March 12,1953). Academic activity remained in the hands of the four Faculty Councils under the tuition of the University Council.