List of Famous people born in January

Peter James Denning is an American computer scientist and writer. He is best known for pioneering work in virtual memory, especially for inventing the working-set model for program behavior, which addressed thrashing in operating systems and became the reference standard for all memory management policies. He is also known for his works on principles of operating systems, operational analysis of queueing network systems, design and implementation of CSNET, the ACM digital library, codifying the great principles of computing, and most recently for the book The Innovator's Way, on innovation as a set of learnable practices.

Robert Andrew Ackerman is an American director, producer, and script editor who is best known for his work on Seinfeld, The New Adventures of Old Christine and the HBO series Curb Your Enthusiasm. He is a 1978 graduate of Santa Clara University.

Zeev Rudnick or Ze'ev Rudnick is a mathematician, specializing in number theory and in mathematical physics, notably quantum chaos. Rudnick is a professor at the School of Mathematical Sciences and the Cissie and Aaron Beare Chair in Number Theory at Tel Aviv University.

Tan Aik Mong was a Malaysian Chinese badminton player. He was the younger brother of Tan Aik Huang.

Justas Vincas Paleckis is a Lithuanian ex-communist and politician, signatory of the Act of the Re-Establishment of the State of Lithuania, and Member of the European Parliament for the Social Democratic Party of Lithuania. He is also a member of the Party of European Socialists. Justas was born in Samara, Russia where his family resided during the Second World War. His father, Justas Paleckis was communist and served as the unrecognised President of Lithuania and personally signed orders authorizing the mass deportation citizens to Siberia. Later, the family returned to Lithuania, where he finished school in 1959 and then went on to study journalism at Vilnius University in 1964.