Polymaths

Here are some individuals known for their expertise in multiple disciplines, often described as polymaths:

1. Jordan Ellenberg - An American mathematician and professor at the University of Wisconsin–Madison, Jordan Ellenberg is renowned for his work in arithmetic geometry. He has also authored both fiction and non-fiction works.

2. Chamath Palihapitiya - Originally from Sri Lanka, Chamath Palihapitiya is a Canadian-American venture capitalist, engineer, and SPAC sponsor. He was a significant figure at Facebook before founding Social Capital. He shares his diverse insights on various podcasts.

3. Roger Penrose - A British mathematician, mathematical physicist, and philosopher of science, Sir Roger Penrose has made substantial contributions across these fields and was awarded the Nobel Prize in Physics.

4. Po-Shen Loh - An American professor of mathematics at Carnegie Mellon University, Po-Shen Loh has notably coached the United States' International Math Olympiad team to several victories.

5. Donald Knuth - Known as the "father of the analysis of algorithms," Donald Knuth is an American computer scientist, mathematician, and professor emeritus at Stanford University. He received the Turing Award in 1974.

6. Yaron Brook - An Israeli-American entrepreneur, writer, and activist, Yaron Brook is known for his work with the Ayn Rand Institute and his entrepreneurial ventures in finance.

These individuals have demonstrated significant achievements and expertise across multiple domains, reflecting the essence of what it means to be a polymath.