Every entry I can find on the net that has the name Richard Hirschman is from this same story, done over and over again by different writers.
Other than this story, Richard Hirschman doesn’t seem to exist on the internet.
You might want to look at this one. It names two other people also claiming they found long stringy clots.
Also, this might be the facebook page of Richard Hirschman.
https://www.facebook.com/richard.hirschman.5
It mentions he went to embalming school in 2004 and studied Aviation stuff in Alabama.