David B.

I'm a retired physical chemistry professor looking to help students with their struggles. I've published over 200 papers, including many papers in science education; 12 books currently in print (most of them college-level textbooks); I even have a Great Course! My background in physical chemistry means I can help with chemistry, physics (low-level, at least!), and math (through calculus). Sorry, not so good in biology or biochemistry... I might be pricey, but I'm sure I'm worth it. As a (e…