Question: Jaroslav Seifert and Harlan Coben are both what?

Context paragraphs:
Ludvík Kundera: Ludvík Kundera (22 March 1920 – 17 August 2010) was a Czech writer, translator, poet, playwright, editor and literary historian.  He was a notable exponent of the Czech avant-garde literature and a prolific translator of German authors.  In 2007, he received the Medal of Merit for service to the Republic.  In 2009, he was awarded the "Jaroslav Seifert Award", presented by the Charter 77 Foundation.  Kundera was a cousin of Czech-French writer Milan Kundera and nephew of the pianist and musicologist also named Ludvík Kundera.

The Innocent (Coben novel): The Innocent is the sixth stand alone novel by American crime writer, Harlan Coben.  The novel was first published in 2005.

Harlan Coben: Harlan Coben (born January 4, 1962) is an American writer of mystery novels and thrillers.  The plots of his novels often involve the resurfacing of unresolved or misinterpreted events in the past, murders, or fatal accidents and have multiple twists.  Among his novels are two series, each involving the same protagonist set in and around New York and New Jersey, and some characters appear in both.

Stanislav Kostka Neumann: Stanislav Kostka Neumann (June 5, 1875, in Prague – June 28, 1947, in Prague) was Czech writer, poet and journalist.  He has undergone many stages of creative: symbolist ("I Am an Apostle of the New Life"), anarchist ("A Dream About a Crowd of Desperate People, and Other Verses"), landscape lyric ("The Book of Forests, Hills, and Waters"), civilist ("New Songs"), communist ("Red Songs") and others.  He was one of the founders of the Communist Party of Czechoslovakia.  He was a mentor of Jaroslav Seifert (Seifert was dedicated this his first book).

Just One Look (novel): Just One Look is a 2004 novel by Harlan Coben.  It is a stand-alone novel but does contain at least one reference to his Myron Bolitar novels.  The plot centers on a woman whose whole life changes one day upon her taking home a set of pictures, and finding one that does not belong.

Jaroslav Seifert: Jaroslav Seifert (] ; 23 September 1901 – 10 January 1986) was a Nobel Prize–winning Czechoslovak writer, poet and journalist.

Live Wire (novel): Live Wire is a 2011 mystery/thriller novel by American writer, Harlan Coben.  It is the tenth novel in his series of a crime solver and sports agent named Myron Bolitar.

Jaroslav Seifert Prize: The Jaroslav Seifert Prize is a prestigious Czech literary prize.  It was originally awarded to authors in exile during the Soviet era.

Drop Shot: Drop Shot is a murder mystery by Harlan Coben.  It is the second novel featuring Myron Bolitar.  It was published in 1996.

Paul Heyse: Paul Johann Ludwig von Heyse (15 March 1830 – 2 April 1914) was a distinguished German writer and translator.  A member of two important literary societies, the "Tunnel über der Spree" in Berlin and "Die Krokodile" in Munich, he wrote novels, poetry, 177 short stories, and about sixty dramas.  The sum of Heyse's many and varied productions made him a dominant figure among German men of letters.  He was awarded the Nobel Prize for Literature in 1910 "as a tribute to the consummate artistry, permeated with idealism, which he has demonstrated during his long productive career as a lyric poet, dramatist, novelist and writer of world-renowned short stories."  Wirsen, one of the Nobel judges, said that "Germany has not had a greater literary genius since Goethe."  Heyse is the fifth oldest laureate in literature, after Doris Lessing, Theodor Mommsen, Alice Munro and Jaroslav Seifert.

Supporting paragraphs: Jaroslav Seifert Harlan Coben
Answer: writer