I just learned about this guy today, when I received an email from the Yahoo! PhotoHistory group. I find his method of working & his images fascinating and so will you perhaps. Apparently he died yesterday, but the only obituaries so far are in Czech.
Many here will undoubtedly not like his photographs or method, but I hope you'll agree that they're incredibly interesting and represent an entirely different idea of what photography is; especially when contrasted to our highly refined and "sophisticated" techniques that often result in work that lacks much true intrigue.
At any rate, a fascinating figure.
Here's some further reading...