I was asked if Marat did, in fact, collect butterflies. My source about this item came from Nabokov, but he might have invented it...
(btw. Marat's name as a "scientist" is linked to combustion and the phlogiston, not to the word aether).
 
Excerpts from an exchange with Alvin Toffler, (Payboy -January,  1964) & gleaned from the internet.
AT: "Can  you  tell  us  something  more  about  the  actual creative process  involved  in  the  germination  of  a  book-- perhaps  by  reading  a few random notes for or excerpts from a work in progress?"
Nabokov: "Certainly not. No  fetus  should  undergo  an  exploratory operation. But I can do something else. This box contains index
cards  with  some  notes  I  made at various times more or less recently and discarded when writing Pale  Fire. It's  a little  batch  of  rejects.  Help  yourself."
AT: "Selene, the moon..."Berry:  the  black  knob  on  the bill of the mute swan" . . . "Naprapathy:  the ugliest word in the language."...Snow
falling, young father out with tiny child,  nose  like  a  pink cherry..."Inter-columniation: dark-blue sky between two white  columns." "Not I, too,
lived in Arcadia,' but 'I,' says Death, even am  in  Arcadia'-- Legend on a shepherd's tomb (Notes and Queries, June 13, 1868,  p. 561)" . . . "Marat collected butterflies" . . . What  inspires  you  to   record   and   collect   such disconnected impressions and quotations
Nabokov: All  I  know  is that at a very early stage of the novel's development I get this urge to garner bits of straw and fluff, and eat  pebbles...
AT: In  what  sense  do  you  copy  "the   conceived picture" of a novel?
Nabokov: A  creative  writer  must study carefully the works of his rivals, including the Almighty.  He  must  possess  the  inborn capacity  not  only of recombining but of re-creating the given world. In order to do this adequately, avoiding duplication  of labor,   the   artist   should  know  the  given  world.
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