See Hugo Theorell in his laboratory at the chemical department of the Nobel Medical Institute in Stockholm. Back in his home, Professor Theorell is congratulated by 1953 Chemistry Laureate George de Hevesy. Hugo Theorell is also a skilled violinist and chairman of the Stockholm Concert Society. Together with his wife Margit, he performs a Mozart piece, while his mother Armida and eldest son Klas enjoys the music. Youngest son Töres listens surrounded by telegrams congratulating his father.