--- description: Greene is a professor of physics and mathematics at Columbia University, a cofounder of the World Science Festival and the author most recently of The Hidden Reality: Parallel Universes and the Deep Laws of the Cosmos. title: TIME | Current & Breaking News | National & World Updates image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production --- # Brian Greene ## Brian Greene Update your preferences in [Account Settings](/account/preferences/) Close _Greene is a professor of physics and mathematics at Columbia University, a cofounder of the World Science Festival and the author most recently of_ [The Hidden Reality: Parallel Universes and the Deep Laws of the Cosmos_._](https://www.amazon.com/gp/product/0307278123/ref=as%5Fli%5Fqf%5Fasin%5Fil%5Ftl?ie=UTF8&tag=tmbriangreenebook-20&creative=9325&linkCode=as2&creativeASIN=0307278123&linkId=84e253a69e49a9f528eff084cd8896a0) ## Brian Greene Update your preferences in [Account Settings](/account/preferences/) Close *  Mar 15, 2018 ### [How Stephen Hawking Helped Redefine the Rules of Reality](https://time.com/5201750/stephen-hawking-brian-greene-obituary/) Physicist and author Brian Greene remembers the late scientist [IDEAS](/section/ideas/) Meta: null ```json [{"@context":"https://schema.org","@type":"Organization","@id":"https://time.com/","name":"TIME","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https://time.com/","name":"Home"}},{"@type":"ListItem","position":2,"item":{"@id":"https://time.com/author/brian-greene/","name":"Brian Greene"}}]},{"@context":"https://schema.org","@type":"Person","@id":"https://time.com/author/brian-greene/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/author/brian-greene/"},"name":"Brian Greene","jobTitle":null,"description":"Greene is a professor of physics and mathematics at Columbia University, a cofounder of the World Science Festival and the author most recently of The Hidden Reality: Parallel Universes and the Deep Laws of the Cosmos.","url":"https://time.com/author/brian-greene/","worksFor":{"@type":"Organization","name":"TIME","url":"https://time.com/"}}] ```