Valerie Porr, MA, is a mental health educator and advocate trained in Dialectical Behavior Therapy, and the founder and president of the Treatment and Research Advancements National Association for Personality Disorder (TARA NAPD). She conducts psycho-educational training seminars for family members of those with BPD.

See Full Bio

Stephen W. Porges originator of Polyvagal Theory, is a Distinguished University Scientist and founding director of the Kinsey Institute Traumatic Stress Research Consortium at Indiana University, and a professor of psychiatry at the University of North Carolina. He lives in Atlantic Beach, Florida.

See Full Bio

Seth Porges directed the documentary Class Action Park (HBO Max). He lives in Atlantic Beach, Florida, and Brooklyn, New York.

See Full Bio

Terrence Popravak, Jr. was born in Chicago, Illinois, and served in the US Air Force for nearly twenty-four years at Stateside bases and overseas, retiring in 2010. He is a volunteer historian with the Oregon Air National Guard's 142nd Fighter Wing and frequently writes on the unit's history.

See Full Bio

Karl Popper (1902–1994) was one of the most important philosophers of the twentieth century. His books include The Logic of Scientific Discovery, The Poverty of Historicism, Conjectures and Refutations, and an autobiography, Unended Quest. He was a professor at the London School of Economics.

See Full Bio

Martin Popoff is the author of approximately ninety books on music, including several on Rush. He has also worked on various projects for Banger Films, including the award-winning Rush documentary Beyond the Lighted Stage. Popoff has published more record reviews in books than anyone in the history of music writing.

See Full Bio

James Pope-Hennessy was a British biographer and travel writer. His books included London Fabric (for which he was awarded the Hawthornden Prize), Sins of the Fathers (an account of the Atlantic slave traffickers), Anthony Trollope, and Queen Victoria at Windsor and Balmoral. He died in 1974.

See Full Bio

A native of Southern California, USA Today bestselling author Christine Pope has been writing stories ever since she commandeered her family's Smith-Corona typewriter back in elementary school. Her series include the Witches of Cleopatra Hill, the Djinn Wars, and Tales of the Latter Kingdoms. Christine lives in New Mexico.

See Full Bio

Denise Pope is a senior lecturer at the Stanford University Graduate School of Education and the cofounder of Challenge Success.

See Full Bio

Nick Pope works for the Ministry of Defense and for much of the early 90s he was responsible for carrying out official research and investigation into the UFO phenomenon. He writes for various magazines and is in constant demand on the lecture circuit.

See Full Bio

Coming soon...

See Full Bio

Frank Pope assisted on the archaeological excavations of HMS Agamemnon, Nelson's favorite flagship, which sank in 1809, and the San Salvador, a Spanish troopship wrecked in 1812.

See Full Bio