It's not easy to make your mark on the process control industry. As evidenced over the first quarter century of the Process Automation Hall of Fame, the industry is filled with innovators and visionaries who shaped the way the global processing and manufacturing sectors operate and improve. They shepherded challenges from supply chain disruptions to market changes, and from a global pandemic to global warming. But, this year's trio of inductees carved our their niches, and are still doing their parts to set up industry for the next 25 years and beyond.