Helen Guillette Vassallo is an American scientific researcher, educator, author, lecturer, and business leader noted for her contributions to the fields...
6 KB (588 words) - 18:14, 18 April 2024
catalytic converter, former chairman and CEO of General Motors Helen Guillette Vassallo, American scientific researcher and educator, noted for her contributions...
43 KB (4,689 words) - 15:16, 13 February 2025
in Demon Slayer: Kimetsu no Yaiba and Ivy in Carmen Sandiego. Helen Guillette Vassallo (class of 1949), American scientific researcher, educator, author...
7 KB (494 words) - 14:18, 28 January 2025