I agree totally with the review below. Kai was a great photo professor, both honest (in a brutal kind of way) and engaging. Our critique sections (2.5 hours each monday morning) were consistently hilarious and also useful, drilling into us over time what makes a good photo and what does not. By "good photo," all the photo professors (the once-students of Thomas Roma, usually) mean photos that are about something, something real, something of our lives. No pretty photos of cute animals or landscapes or the like make the cut in Columbia's photo department.
Under Kai's instruction, everyone in the class improved notably over the semester. His critiques are harsh, but that's the only way to really improve.
It should be known that Photo I focuses on taking better photos, not on making perfect prints. In this class, contrast filters, dodging, and burning are not allowed, and pushing or pulling film speed is discouraged. This is not a technical class, so don't expect to learn all the tricks of the darkroom here. Expect your photos themselves to get much better, though.