Sir Robert Robinson was a prominent British chemist known for his significant contributions to organic chemistry. Born in 1886, he was awarded the Nobel Prize in Chemistry in 1947 for his work on the structure of natural products, particularly his research on alkaloids, which are compounds found in plants that often have pharmacological effects. Robinson's research laid the groundwork for understanding complex organic molecules and their synthesis. He was also involved in the development of the Robinson annulation, a key reaction in organic synthesis. Throughout his career, he published numerous papers and mentored many students, influencing the field of chemistry significantly.