He lives in Montgomery County, in Southeastern PA and he filed a Birther lawsuit that seemed to cover a copy of the birth certificate from the hospital in Mombasa. HERE. Snopes and others claim the info was false.
Berg was rumored to have been paid by the Hillary Clinton campaign in 2008 to file the lawsuit.
Sept 26, 2015: “Bombshell: ‘Washington Post’ Confirms Hillary Clinton Started the Birther Movement”
That means Hillary Clinton is the grandmother of the Birther Movement.
There’s more: “John Avlon, editor-in-chief of the Daily Beast, explored the roots of the birther movement in his book Wingnuts: How the Lunatic Fringe Is Hijacking America. Avlon described a posting on the PUMA website with the heading “Obama May Be Illegal to Be Elected President!” He wrote that a Clinton volunteer in Texas, Linda Starr, played a key role in spreading the rumor.
“Starr connected with Pennsylvania attorney Philip Berg in August and Berg followed up by suing in federal court to block Obama’s nomination. The suit was thrown out repeatedly on the grounds that Berg lacked standing and the U.S. Supreme Court ultimately refused to hear his appeal.