[ad_1] <br><img src="https://images.wsj.net/im-676086/medium" /><br>As a grad student, John Palmour took a chance on an unproven way to make semiconductors, and went on to co-found a strategically important maker of silicon carbide and gallium nitride electronic devices, Wolfspeed Inc. <br>[ad_2] <br><a href="https://www.wsj.com/articles/john-palmour-changed-recipe-for-making-microchips-11669993213?mod=pls_whats_news_us_business_f">Source link </a>