Prof. Dr Paul G. Layer

It was a Tuesday morning in early August. I’d just returned to my office from a trip to the US. I’d been at an eye conference, ISER 2014 in San Francisco, where I’d heard about recent work in growing human retinal tissue from stem cells. Still reeling from all the new data and numbed by jetlag, I’m trying to marshal my thought processes, writing endless mails to colleagues and making a pig’s ear of my travel expense forms. As I am putting...