Conversation so far:
What is multiple realizability?
Multiple realizability, in the philosophy of mind, is the thesis that the same mental property, state, or event can be implemented by different physical properties, states, or events.
Were there any notable people working on multiple realizability?
Hilary Putnam's best-known work concerns philosophy of mind. His most noted original contributions came in several key papers setting out the hypothesis of multiple realizability.
Did Hilary Putnam's papers on multiple realizability differ in opinion to established theories?
In these papers, Hilary Putnam argues that, contrary to the famous claim of the type-identity theory, it is not necessarily true that Pain is identical to C-fibre firing.“
What was said about the theory of multiple realizability?
Pain, according to Hilary Putnam's papers, may correspond to utterly different physical states of the nervous system in different organisms, yet all experience the state of being in pain.“
Are there any other interesting aspects about Hilary Putnam's work on multiple realizability besides the mental state of pain?
Hilary Putnam cited examples from the animal kingdom to illustrate his thesis.
What were the examples Hilary Putnam cited from the animal kingdom to illustrate his thesis?
Hilary Putnam asked whether it was likely that the brain structures of diverse types of animals realize pain, or other mental states, the same way.

Question: How else did they experiment?
Self-contained rewrite: How else did Hilary Putnam experiment with his multiple realizability argument?