I then converted a bathroom, seldom used by the family, into a laboratory and spent hours playing with chemistry sets. With the help of an aunt, Esther Molina, who was a chemist, I continued with more challenging experiments along the lines of those carried out by freshman chemistry students in college.
Recorded Laureate-written autobiography, provided by the laureate in November 2007, Nobel Prize Outreach, 1 November 2007 source