Amazing teacher, there is none better. Things I learned 17 years ago (yes, I'm old) and I still remember I learned in Erdman's class.
hes like my favorite TEACHER his analygies are GREAT and makes the class EASY i had him for AP chem
I HAVE HIM FOR SUMMER SCHOOL AND FOR AP READINESS AND HE IS A GREAT TEACHER!
Fantastic guy! He hates poetry, so don't write any unless it rhymes.