Colourise.sg colours black and white photos via a deep learning programme. Here are a few results I tried (including one colour photo of a B&W photo). It’s apparently better with human figures and landscapes and is only planned to be available on the web temporarily as it is the result of a hackathon from Singapore. More info
Bonkers
I think it’s André Kertész – from the Shape of Light exhibition at the Tate Modern last year
Whose photography work is that third image?