Gachot got imprisoned in the UK for spraying CS gas in the face of a cabbie during a "contretemps" over some traffic incident, possibly involving some very runny cheese. 'Twas 1991.
There were all manner of protests in the form of track graffiti at the Belgian GP when he was procluded from running in his home GP at Spa, but isn't that when ol' Spoonface stepped up to the plate? (Edit:)Yep, just checked the old GP archives and that is indeed when our Germanic friend swapped his lederhosen and sausages for a seat in Gachot's Jordan. The rest, as they say, is history!
Still remember sitting on the banking in 1991 just before the Ford Chickens and you could hear the roar from the grandstand area as the Mazzy took the lead from the stranded Merc in the pitlane! Great stuff!
And as for the Lemons museum car, I believe that is made to look like the winner, I'm fairly sure the real winning chassis is still in Japan at Mazda-land.