Here are 2 categories from the 7-25-2019 Jeopardy! match.

The players got all the clues they uncovered in LITERARY GROUPS (they didn’t uncover the $200 clue):

($400) Gertrude Stein gave Post-WWI writers like E.E. Cummings & Ernest Hemingway the group name this Generation
($600) The Knickerbockers included William Cullen Bryant, James Fenimore Cooper & this author who coined the term
($800) In the 1600s the fun-loving Cavalier poets included John Suckling; John Milton was part of the group with this Prudish name
($1000) Taking their name from a London District, Lytton Strachey, Virginia Woolf & others were this group

ANSWERS: show

THe players got all the clues in INVENTORS & INVENTIONS, except the last one (*):

($400) Imperial court official Tsai Lun produced the first rolls of this in China around 105 A.D.
($800) Louis Daguerre got photography started & William Fox Talbot helped by making & printing photos using reverse images called these
($1200) In 1901, this physicist & inventor sent the first radio message across the Atlantic, from England to Canada
($1600) In 1898 Maria Beasley patented a device for preventing trains from doing this
*($2000) In a movie Greg Kinnear played Robert Kearns, who fought Detroit over this drizzly day innovation of his

ANSWERS: show

Today’s Daily Doubles and more information on Final Jeopardy! on Fikkle Fame’s full Daily Jeopardy! Recap