Nobel laureates: Frederick Sanger — identify the field for which he received the Nobel Prize twice. Recall his landmark contributions to biomolecules and sequencing. Choose the correct discipline.

Given data

• Laureate: Frederick Sanger.
• Task: Field of two Nobel Prizes.

Concept/Approach
Sanger received two Nobel Prizes in Chemistry — one for determining the structure of insulin (1958) and another (1980) for contributions to nucleic acid (DNA) sequencing methods.

Common pitfalls
Selecting Medicine because of biological applications; the awards themselves were in Chemistry.

Final Answer
Chemistry