List of Famous people born on June 30th

Robert Więckiewicz is a Polish film and television actor from Nowa Ruda, Poland. In 2013, he received Best Actor Award at the Chicago International Film Festival for his role in film Walesa: Man of Hope.

James P. Crutchfield is an American mathematician and physicist. He received his B.A. summa cum laude in Physics and Mathematics from the University of California, Santa Cruz, in 1979 and his Ph.D. in Physics there in 1983. He is currently a Professor of Physics at the University of California, Davis, where he is Director of the Complexity Sciences Center—a new research and graduate program in complex systems. Prior to this, he was Research Professor at the Santa Fe Institute for many years, where he ran the Dynamics of Learning Group and SFI's Network Dynamics Program. From 1985 to 1997, he was a Research Physicist in the Physics Department at the University of California, Berkeley. He has been a Visiting Research Professor at the Sloan Center for Theoretical Neurobiology, University of California, San Francisco; a Post-doctoral Fellow of the Miller Institute for Basic Research in Science at UCB; a UCB Physics Department IBM Post-Doctoral Fellow in Condensed Matter Physics; a Distinguished Visiting Research Professor of the Beckman Institute at the University of Illinois, Urbana-Champaign; and a Bernard Osher Fellow at the San Francisco Exploratorium.

Wayne Maxwell Swan is an Australian politician who is National President of the Labor Party. He was previously the Deputy Prime Minister of Australia and Deputy Leader of the Labor Party from 2010 to 2013, and the Treasurer of Australia from 2007 to 2013.