Robert Williams, Rob Williams or Bob Williams may refer to:

Robert Peter "Robbie" Williams (born 13 February 1974) is an English singer-songwriter, vocal coach and occasional actor. He is a member of the pop group Take That.

Williams rose to fame in the band's first run in the early- to mid-1990s. After many disagreements with the management and certain group members, Williams left the group in 1995 to launch his solo career. On 15 July 2010, it was announced he had rejoined Take That and that the group intended to release a new album in November 2010 which became the second fastest-selling album of all-time in UK chart history and the fastest-selling record of the century.

Williams has sold over 70 million records worldwide, which ranks him among the best-selling music artists worldwide. He is the best-selling British solo artist in the United Kingdom and the best selling non-Latino artist in Latin America. Six of his albums are among the top 100 biggest-selling albums in the United Kingdom. He has also been honoured with seventeen BRIT Awards—more than any other artist—and seven ECHO Awards. In 2004, he was inducted into the UK Music Hall of Fame after being voted as the "Greatest Artist of the 1990s."

Bruce Harold Lipton (born October 21, 1944) is an American developmental biologist, who is best known for promoting the idea that genes and DNA can be manipulated by a person's beliefs. He teaches at the New Zealand College of Chiropractic.

Lipton was born in Mt. Kisco, an affluent town in New York. In 1966 he received a B.A. in Biology from C.W. Post Campus of Long Island University and then his PhD in developmental biology from the University of Virginia in 1971.

In 1973 he taught anatomy as an Assistant Professor at the University of Wisconsin School Of Medicine before coming to St. George's University School of Medicine, where he became a Professor of Anatomy for 3 years. From 1987 to 1992 he was involved in research at Penn State and Stanford University Medical Center. Since 1993 he has been teaching in non-tenure positions at different universities. His publications consist mainly of research on the development of muscle cells.

Lipton has appeared on several radio shows as well as The Elaine Smitha Show and The Joe Rogan Experience podcast episode 165.