The title was editorialized and not accurate. These are two separate coins celebrating innovations in their respectable states.
For completeness, mobike refrigeration is for Minnesota and Dr. Normal Bourlag is for Iowa
Bourlag's work directly saved millions of lives. Out of those mentioned so far, he's one that truly deserves more name recognition.
You can of course debate which is better and there are hundreds of other choices that could be put on either coin - both humans and inventions. I would probably pick different things (not people) for both - but this is a reflection of my biases and not some universal truth.