Question: Were both Alex Haley and John W. Campbell writers?

Context paragraphs:
Roots: The Next Generations: Roots: The Next Generations is an American television miniseries, introduced in 1979, continuing, from 1882 to the 1960s, the fictionalized story of the family of Alex Haley and their life in Henning, Lauderdale County, Tennessee, USA.  (Henning is about 48 miles north of Memphis, which is on the Mississippi River and in the southwest corner of the state, and which was then the largest city in it.)  This sequel to the 1977 miniseries is based on the last seven chapters of Haley's novel entitled "" plus additional material by Haley.

Alex Haley House and Museum: Alex Haley House and Museum State Historic Site is one of the Tennessee Historical Commission's state-owned historic sites and is located in Henning, Tennessee, United States.  It is open to the public and partially funded by an agreement with the Tennessee Historical Commission.  It was originally known as W. E. Palmer House and was the boyhood home of author Alex Haley.  He was buried on the grounds.  The home was listed on the National Register of Historic Places in 1978.  In 2010, the site debuted the state-funded Alex Haley Museum and Interpretive Center which features a museum and interpretive center (designed by architect Louis Pounders) with exhibitions covering Haley's life.

John W. Jones House: The John W. Jones House currently stands at 1250 Davis Street, Elmira, New York, across from a historic entrance to Woodlawn Cemetery.  It is the former home of John W. Jones and current home of the John W. Jones Museum.  It stands on part of its original property, though it originally faced College Avenue.  Historically, the house was the private residence of John W. Jones and his family, but changed ownership several times since, and was used as rental property that fell into disrepair.  Condemned by the City of Elmira in 1997, Lucy Brown brought it to the public’s attention and with a group of concerned citizens, saved it from demolition.  It is now the home to the John W. Jones Museum.

John W. Pope Jr. Convocation Center: The John W. Pope Jr.  Convocation Center is a multi-purpose arena in Buies Creek, North Carolina.  The arena, Gore Arena, is located on the campus of Campbell University and hosts the university's basketball, volleyball, and wrestling programs.  It is named for Gilbert Craig Gore, the late son of a Campbell alum.  The John W. Pope Jr.  Convocation Center is a part of the expansion plan of Campbell's athletic facilities, which includes a new football stadium and renovations to existing Taylor Field of the baseball program.  The John W. Pope Jr.  Convocation Center replaced Carter Gymnasium, which was the second smallest gymnasium in Division I Basketball with just 947 seats, second only to Charleston Southern's Fieldhouse which holds 750.  The John W. Pope Jr.  Convocation Center also host events such as the universities commencement ceremonies and other university related events.

John W. Campbell: John Wood Campbell Jr. (June 8, 1910 – July 11, 1971) was an American science fiction writer and editor.  As editor of "Astounding Science Fiction" (later called "Analog Science Fiction and Fact") from late 1937 until his death, he is generally credited with shaping the Golden Age of Science Fiction.

Alex Haley: Alexander Murray Palmer "Alex" Haley (August 11, 1921 – February 10, 1992) was an American writer and the author of the 1976 book "."  ABC adapted the book as a television miniseries of the same name and aired it in 1977 to a record-breaking audience of 130 million viewers.  In the United States the book and miniseries raised the public awareness of African American history and inspired a broad interest in genealogy and family history.

Elizabeth Bear: Sarah Bear Elizabeth Wishnevsky (born September 22, 1971) is an American author who works primarily in speculative fiction genres, writing under the name Elizabeth Bear.  She won the 2005 John W. Campbell Award for Best New Writer, the 2008 Hugo Award for Best Short Story for "Tideline", and the 2009 Hugo Award for Best Novelette for "Shoggoths in Bloom".  She is one of only five writers who have gone on to win multiple Hugo Awards for fiction after winning the John W. Campbell Award for Best New Writer (the others being C. J. Cherryh, Orson Scott Card, Spider Robinson, and Ted Chiang).

Simon Haley: Simon Alexander Haley (March 8, 1892 – August 19, 1973) was a professor of agriculture, and father of writer Alex Haley.  He was born in Savannah, Tennessee, to farmer Alexander "Alec" Haley and his wife Queen (Davy) Haley (née Jackson).  Both his parents were born as slaves, and both apparently fathered by white slave owners.  Simon attended Lane College in Jackson, Tennessee, at age 15.  After enlisting in the military during World War I, he married Bertha George Palmer, also a student from Lane.  Simon then finished his master's degree in agriculture at Cornell University.  Bertha died in 1932, and Simon was remarried two years later to professor Zeona Hatcher.  Simon Haley held positions at various southern universities including Alabama A&M just north of Huntsville, Alabama.  He was buried at Little Rock National Cemetery in Little Rock, Arkansas.

Alex Haley's Queen: Alex Haley's Queen (also known as Queen) is a 1993 American television miniseries that aired in three installments on February 14, 16, and 18 on CBS.  The miniseries is an adaptation of the novel "", by Alex Haley and David Stevens.  The novel is based on the life of Queen Jackson Haley, Haley's paternal grandmother.  Alex Haley died in February 1992 before completing the novel.  It was later finished by David Stevens and published in 1993.  Stevens also wrote the screenplay for the miniseries.

The Autobiography of Malcolm X: The Autobiography of Malcolm X was published in 1965, the result of a collaboration between human rights activist Malcolm X and journalist Alex Haley.  Haley coauthored the autobiography based on a series of in-depth interviews he conducted between 1963 and Malcolm X's 1965 assassination.  The "Autobiography" is a spiritual conversion narrative that outlines Malcolm X's philosophy of black pride, black nationalism, and pan-Africanism.  After the leader was killed, Haley wrote the book's epilogue.  He described their collaborative process and the events at the end of Malcolm X's life.

Supporting paragraphs: Alex Haley John W. Campbell
Answer: yes