Professor Frederick Sanger, aged 95, one of the most significant contemporary scientists, double Nobel Prize Laureate for the discovery of the structure of insulin and the method of nucleic acid sequencing, died on 19th of November 2013 in Great Britain. He had been awarded his first Nobel Prize in 1958 for his work on determining the structure of insulin, his second Nobel Prize was awarded to him 22 years later.
In 1964, professor Frederick Sanger visited Pavol Jozef Šafárik University in Košice, where there were also attempts to solve the issue of protein structure.
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