Phil Halper is a fellow of the Royal Astronomical Society and a science popularizer. He is the creator of the popular YouTube series Before the Big Bang, which has had several million views, and was previously journalist in residence at the Penn State Institute for Gravitation and the Cosmos. His astronomy images have been featured in major media outlets including The Washington Post, the BBC, and The Guardian, and he has published several papers in peer-reviewed journals. He lives in London.