Members of the American Philosophical Society in all BBC programmes
Scientist and broadcaster Kathy Sykes chooses the iconic physicist, Albert Einstein.
Professor Kathy Sykes nominates Albert Einstein.
Andi Oliver on Nobel Prize-winning author Toni Morrison.
Physicist Brian Cox tells Matthew Parris how Carl Sagan's Cosmos TV show changed his life.
Businessman and academic, Adair Turner looks at the life of Charles Darwin.
Businessman and academic Adair Turner talks about the life of Charles Darwin.
British General Sir Michael Rose selects 'Father of the American Nation' George Washington
Sir Clive Sinclair discusses fellow inventor Thomas Edison with Matthew Parris.
Writer and political activist George Monbiot chooses 18th-century revolutionary Tom Paine.