I always get the strong sense that most of these film era masters of the art made stronger work on film. There are exceptions - David Alan Harvey and Christopher Anderson who both seem to be able to mould whatever medium they're using perfectly around their content.
I had the same feeling looking at some recent digital photos by Martin Parr. Very uninspiring. But then again, most people do their best work when they're young, whether they're photographers, musicians, sculptors, writers or scientists; so maybe it's just an age thing.
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As Irvine Welsh put it in 'Trainspotting'...
Sick Boy: It's certainly a phenomenon in all walks of life.
Mark: What do you mean?
Sick Boy: Well, at one time, you've got it, and then you lose it, and it's gone forever. All walks of life: George Best, for example. Had it, lost it. Or David Bowie, or Lou Reed.
Mark: Lou Reed, some of his solo stuff's not bad.
Sick Boy: No, it's not bad, but it's not great either. And in your heart you kind of know that although it sounds all right, it's actually just sh*te.
Mark: So who else?
Sick Boy: Charlie Nicholas, David Niven, Malcolm McLaren, Elvis Presley . . .
Mark: OK, OK, so what's the point you're trying to make?
Sick Boy: All I'm trying to do, Mark, is help you understand that The Name of The Rose is merely a blip on an otherwise uninterrupted downward trajectory.
Mark: What about The Untouchables?
Sick Boy: I don't rate that at all.
Mark: Despite the Academy Award?
Sick Boy: That means F**k all. It's a sympathy vote.
Mark: Right. So we all get old and then we can't hack it anymore. Is that it?
Sick Boy: Yeah.
Mark: That's your theory?
Sick Boy: Yeah. Beautifully f***ing illustrated.