Reverse image search as serendipity machine.
For an explanation of how this works, see "Visually Similar" - Volume 1.
I was looking for the photographer of this image I found at shrbr:
And I found these:
South Africa has one of the most progressive constitutions in the world. A great idea, sometimes without the best execution but one that allows for the freedom of expression, without which this site would not exist. I don't take this lightly because the freedom of expression is not universally recognized and this site would never have existed in the country I grew up in. When I found Justice Edwin Cameron in this search, I knew he was in. His work revolves mostly around equality and HIV / AIDS but, as a constitutional judge, I see him as a guardian of my right to do and say whatever the hell I like.