Explanation:

Trygve Halvdan Lie was a Norwegian politician, labour leader, government official and author. He served as Norwegian foreign minister during the critical years of the Norwegian government in exile in London from 1940 to 1945. From 1946 to 1952 he was the first Secretary-General of the United Nations. António Guterres is the current Secretary-General of the United Nations. He is the ninth Secretary-General, his term began 1 January 2017. María Fernanda Espinosa Garcés of Ecuador is the current President of the United Nations General Assembly for the 73rd session, office which started in September 2018.