It does not seem, however, that organic chemists were much worried about barriers to rotation in organic molecules in general at that time because there was no technique available to demonstrate the phenomenon experimentally.
“I think the Australian people are very conscientious. During the 1980s and 1990s we proved they will respond conscientiously to necessary reforms. They mightn't like them but they'll accept them. But reforms have to be presented in a digestible format.”