2024 Millennium Technology Prize laureate, Indian electrical engineer Bantval Jayant Baliga delivers a speech during the prize ceremony in Espoo, Finland, on October 30, 2024. Baliga's innovation Insulated Gate Bipolar Transistor (IGBT) has enabled dramatic reduction in worldwide electrical energy and petrol consumption. (Photo by Heikki Saukkomaa / Lehtikuva / AFP) / Finland OUT (Photo by HEIKKI SAUKKOMAA/Lehtikuva/AFP via Getty Images)