Who among the following was the first Secretary General of United Nations Organization?

Trygve Lie

The correct answer is Option (3) → Trygve Lie

Trygve Lie was the first Secretary General of United Nations Organization.

Trygve Lie (1946-1952) Norway; lawyer and foreign minister; worked for ceasefire between India and Pakistan on Kashmir; criticised for his failure to quickly end the Korean war; Soviet Union opposed second term for him; resigned from the post.