Mark Cobbs LewisMark Cobbs Lewis is a retired educator. He has forty years of experience as teacher, principal, and district science administrator. During his career he served in rural, suburban and inner-city schools. Any public-school setting is a learning lab forhumanity, and Lewis feels privileged to have learned from so many amazing students, teachers, and parents during his career. He now spends his time writing, painting, traveling, gardening and hiking. Read More Read Less