Yet those who knew him, from Niels Bohr to the writer of a Soviet appreciation of his 50th birthday, agreed that there was human warmth below his sharpness.
Pa alam ng mga taong sa kanya, mula sa Niels Bohr sa writer ng isang Sobiyet appreciation ng kanyang ika-50 kaarawan, sumang-ayon na ang tao ay may kainitan sa ibaba ng kanyang sharpness.