Human rights

Number of validations : 4157

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This photo is taken from a vintage video in which the commentator indicates that these two men in black jackets received thanks from the various delegates for their welcome in Paris.
1. From left to right, what are these two men's first names?
A few seconds later, the commentator mentions "the UN's task, which is likely to be (?) and (?)".
2. Add the two missing words
(Example: Rémy Marcel ardue passionnante)