“We have many thousands of our data historian, PHD, being used by hundreds of customers at thousands of sites,” said Honeywell Process Solutions’ vice president of strategy and global marketing Harsh Chitale. “So we are very exited to introduce a completely new visualization and analysis engine for PHD.”
If you don't, you are probably not alone. If you are a chemist, or a chemical engineer, especially a biochemist, you may very well. He invented cortisone. Percy Julian was also a black American. I suspect that's why lots of people don't know who he was.