Axel Hugo Theodor Theorell ForMemRS[1] (6 July 1903 – 15 August 1982) was a Swedish scientist and Nobel Prize laureate[2][3][4][5][6][7] in medicine.

He then spent three months studying bacteriology at the Pasteur Institute in Paris under Professor Albert Calmette.

degree with a theory on the lipids of the blood plasma, and was appointed professor in physiological chemistry at the Karolinska Institute.

His contribution also consisted of the theory of the toxic effects of sodium fluoride on the cofactors of crucial human enzymes.

He received honorary degrees at universities in France, Belgium, Brazil and the United States.