Roald Hoffmann is a really smart man who loves science! Specifically, he loves chemistry. He is an expert in how different chemicals react with each other and how they can make new substances.
Roald Hoffman grew up in Poland during World War II. As a kid, he liked science but he also liked music and art. When he was older, he moved to the United States to study chemistry in college.
Roald Hoffman has done lots of important work in chemistry. One thing he is famous for is something called the Woodward-Hoffmann rules. These rules help scientists understand how chemicals will react with each other.
Roald Hoffmann also won a big prize called the Nobel Prize. This is a really special award that goes to people who do amazing things in science. He won the Nobel Prize for his work on how chemicals react to make new substances.
Overall, Roald Hoffmann is a very smart and talented scientist who loves chemistry and has done lots of amazing things in his field.