สำนักราชบัณฑิตยสภา

«“√ “√ √“™∫— ≥±‘ µ¬ ∂“π ÿ ∑— »πå ¬° â “π 827 ªï ∑’Ë ÛÚ ©∫— ∫∑’Ë Ù µ.§.-∏.§. Úıı Abstract Robert A. Millikan Suthat Yoksan Associate Fellow of the Academy of Science, The Royal Institute, Thailand Personal life, fields of work, and achievements of Robert A. Millikan are given. In 1909, he determined the charge on an electron using charged oil drop experiments, and received a Nobel Prize in Physics in 1923 for this work. Key words : R.A. Millikan, electric charge, oil drop experiment