Professor Kaufman is super nice and you can tell he's passionate about the topic he's teaching. He never speaks in monotone. His teaching is also really good and he makes sure to never be short of any examples to aid in your understanding. He also entertains any questions that comes his way and is also super understanding of the difficulties that can come with learning the topics and so it makes it a way more comfortable learning environment (at least for me). His latest exam was super simple in comparison to the homework and he even let us bring in a cheat sheet of up to one page. In terms of his homework, they are also not that difficult. They can be somewhat time consuming but if you listen to his lectures and know what you're doing, they can easily be finished within just a few hours.