Produced for the 2011 International Year of Chemistry, the video series Spellbound, tells the story of scientists whose childhood curiosity about everyday things helped them launch careers in the lab, win Nobel Prizes and make other achievements. Their early childhood experiences may encourage young people into careers in the science, technology, engineering and mathematics (STEM) fields.

This episode features Helen M. Free: Helen Free, Ph.D.:

• Retired, Miles Laboratories, Bayer AG, Diagnostics Division
• 1993 ACS President
• 1995 ACS Award for Public Outreach (now the ACS Helen M. Free Award for Public Outreach)
• 2000 National Inventors Hall of Fame
• 2010 National Medal of Technology and Innovation