List of Famous people born on January 1st

Jainendra K. Jain is an Indian-American physicist and the Evan Pugh University Professor and Erwin W. Mueller Professor of Physics at Pennsylvania State University. He is also Infosys Chair Visiting Professor at IISc, Bangalore. Jain is known for his theoretical work on quantum many body systems, most notably for postulating particles known as Composite Fermions.

Larry Robbins is an American hedge fund manager and philanthropist. He is the chief executive of Glenview Capital Management, a hedge fund with approximately $7.7 billion of capital under management as of March 2019.

Radia Joy Perlman is an American computer programmer and network engineer. She is most famous for her invention of the spanning-tree protocol (STP), which is fundamental to the operation of network bridges, while working for Digital Equipment Corporation. She also made large contributions to many other areas of network design and standardization, such as link-state routing protocols.

Julia Deakin is an English actress. She is known for her roles in the sitcoms So Haunt Me (1992–1994), Oh Doctor Beeching! (1996–1997) and Spaced (1999–2001). Her film appearances include Shaun of the Dead (2004), Hot Fuzz (2007) and High-Rise (2015).