Dr. Breslyn, aka "Dr. B" is an educator with over 20 years of experience teaching chemistry. He holds a Ph.D. from the University of Maryland, College Park in Curriculum and Instruction and is a National Board Certified Teacher with a specialization in Chemistry Education. On YouTube he goes by Dr. B (YouTube.com/@wbreslyn) and has over 780,000 subscribers with over 40 million views each year.