Some famous people with prosopagnosia (mostly developmental):
1. Oliver Sacks - talks about living with face blindness here.
2. Dr Karl Kruszelnicki - his podcast on the topic here.
3. Brad Pitt - more info here.
4. Portrait Painter Chuck Close - an article and video here.
5. Jane Goodall - some information here.
Australian Prosopagnosia Register at Macquarie University for those who want to participate in research:
This website includes a link to face memory test you can take to find out how good you are at recognising faces. Here is a direct link.