Question: Were Edna Ferber and Kelly Cherry both playwrights?

Context articles: Kelly Cherry
Edna Ferber
James Adams Floating Theatre
The Land Is Bright
A Peculiar Treasure
Saratoga Trunk (novel)
Cimarron (novel)
Robin Witt
Our Mrs. McChesney
Personality Plus (novel)

Kelly Cherry (born December 21, 1940) is an award winning novelist, poet, essayist, and a former Poet Laureate of Virginia (2010–2012).
 A resident of Halifax, Virginia, she was named the state's Poet Laureate by Governor Bob McDonnell in July 2010.
 She succeeded Claudia Emerson in this post (Poet Laureate of Virginia, 2008–2010).
Edna Ferber (August 15, 1885 – April 16, 1968) was an American novelist, short story writer and playwright.
 Her novels included the Pulitzer Prize-winning "So Big" (1924), "Show Boat" (1926; made into the celebrated 1927 musical), "Cimarron" (1929; made into the 1931 film which won the Academy Award for Best Picture), "Giant" (1952; made into the 1956 Hollywood movie) and "Ice Palace" (1958) filmed in 1960
The James Adams Floating Theatre was a floating theatre founded in 1914 by James Adams and his wife Beulah, which toured Chesapeake Bay staging theatre in Maryland, Virginia, and North Carolina.
 It was visited by Edna Ferber while writing the 1926 novel which inspired Jerome Kern and Oscar Hammerstein II’s Broadway show "Show Boat".
The Land Is Bright is a 1941 dramatic play by George S. Kaufman and Edna Ferber.
A Peculiar Treasure is an autobiography by American author Edna Ferber.
 The book was first published in 1938 by Doubleday, Doran, & Co. at 398 pages long.
 The book is Ferber's first autobiography, and recounts her small-town, Midwest childhood, and her subsequent rise to authorship and the Pulitzer Prize.
 Her ascent from night-court reporter at a small-town newspaper to the author of So Big is set against the rising tensions in Europe and upsurging anti-semitism in the US.
Saratoga Trunk is a best-selling novel by American author Edna Ferber, originally published by Doubleday, Doran in 1941.
Cimarron is a novel by Edna Ferber, published in 1929 and based on development in Oklahoma after the Land Rush.
 The book was adapted into a critically acclaimed film of the same name in 1931 through RKO Pictures.
 In 1960, the story was again adapted for the screen by MGM, to meager success.
Robin Witt is an American theater director.
 She is an ensemble member at both the Griffin Theatre and Steep Theatre in Chicago.
 Witt's notable productions include Enda Walsh's "The New Electric Ballroom" at A Red Orchid Theatre, Dennis Kelly's "Love and Money", Simon Stephens' "Wastwater", "Motortown", "Pornography", and "Harper Regan" at Steep Theatre, as well as Ena Lamont Stewart's "Men Should Weep" (2014-15 Jeff Award: Director, Production), Terence Rattigan's "Flare Path" (2013 Jeff Nominations, Director and Production) and Edna Ferber and George Kaufman's "Stage Door" (2011 Jeff Nominations, Director and Production) with the Griffin Theatre.
Our Mrs. McChesney is a lost 1918 American silent comedy drama film produced and distributed by Metro Pictures, directed by Ralph Ince, and based on the 1915 play by Edna Ferber and George Hobart which starred Ethel Barrymore.
Personality Plus is an early novel by American author Edna Ferber.
 Originally published in 1914, "Personality Plus" is the second of three volumes chronicling the travels and events in the life of Emma McChesney.
 Ferber achieved her first successes with a series of stories centering on this character, a stylish and intelligent divorced mother who rises rapidly in business.