The only way to "fix" it is to figure out where in the Knowledge Graph the data is coming from. The KG is made up of hundreds of sites that contribute to the Knowledge Graph. Find where the bad data is, and get that site to update the data. Then, when search engines refresh the data it will have the correct data.
If it doesn't find a photo, it will keep looking in other sources until it finds one. That means you have to fix all sources with incorrect photos which is basically impossible.
Even if you tweet at Danny Sullivan @dannysullivan they probably can't/won't help you. But that's the most direct method I can think of. https://mobile.twitter.com/PatentScholar/status/142519790286...