Question: Did Richard Wilbur:or Robert Jordan used more pen names?

full_context: Document 1: Rita Dove: Rita Frances Dove (born August 28, 1952) is an American poet and essayist. From 1993 to 1995, she served as Poet Laureate Consultant in Poetry to the Library of Congress. She is the first African-American to have been appointed since the position was created by an act of Congress in 1986 from the previous "consultant in poetry" position (1937–86). Dove also received an appointment as "special consultant in poetry" for the Library of Congress's bicentennial year from 1999 to 2000. Dove is the second African American to receive the Pulitzer Prize for Poetry, in 1987, and she served as the Poet Laureate of Virginia from 2004 to 2006.
Document 2: Robert Jordan: James Oliver Rigney Jr. (October 17, 1948 – September 16, 2007), better known by his pen name Robert Jordan, was an American author of epic fantasy. He is best known for the "Wheel of Time" series, which comprises 14 books and a prequel novel. He is one of several writers to have written original Conan the Barbarian novels; his are highly acclaimed to this day. Rigney also wrote historical fiction under his pseudonym Reagan O'Neal, a western as Jackson O'Reilly, and dance criticism as Chang Lung. Additionally, he ghostwrote an "international thriller" that is still believed to have been written by someone else.
Document 3: Richard Wilbur: Richard Purdy Wilbur (born March 1, 1921) is an American poet and literary translator. He is considered by many to be one of the greatest of the 20th century. Working primarily in traditional forms, his work is marked by its wit, charm, and gentlemanly elegance. Wilbur was appointed the second Poet Laureate Consultant in Poetry to the Library of Congress in 1987, and twice received the Pulitzer Prize for Poetry, in 1957 and again in 1989.
Document 4: Robert Frost: Robert Lee Frost (March26, 1874January29, 1963) was an American poet. His work was initially published in England before it was published in America. He is highly regarded for his realistic depictions of rural life and his command of American colloquial speech. His work frequently employed settings from rural life in New England in the early twentieth century, using them to examine complex social and philosophical themes. One of the most popular and critically respected American poets of the twentieth century, Frost was honored frequently during his lifetime, receiving four Pulitzer Prizes for Poetry. He became one of America's rare "public literary figures, almost an artistic institution." He was awarded the Congressional Gold Medal in 1960 for his poetic works. On July 22, 1961, Frost was named poet laureate of Vermont.
Document 5: Robert Hayden: Robert Hayden (4 August 1913 – 25 February 1980) was an American poet, essayist, and educator. He served as Consultant in Poetry to the Library of Congress from 1976–78, a role today known as US Poet Laureate. He was the first African-American writer to hold the office.
Document 6: Brandon Sanderson: Brandon Sanderson (born December 19, 1975) is an American fantasy and science fiction writer. He is best known for the Cosmere universe, in which all his adult fantasy books most notably the "Mistborn" series and "The Stormlight Archive", are set; and his work in finishing Robert Jordan's epic fantasy series "The Wheel of Time".
Document 7: Elizabeth Bishop: Elizabeth Bishop (February 8, 1911 – October 6, 1979) was an American poet and short-story writer. She was Consultant in Poetry to the Library of Congress from 1949 to 1950, the Pulitzer Prize winner for Poetry in 1956, the National Book Award winner in 1970, and the recipient of the Neustadt International Prize for Literature in 1976.
Document 8: Richard Wilbur Award: The Richard Wilbur Award is named in honor of the American poet Richard Wilbur and was established at the University of Evansville under the direction of William Baer. The competition welcomes submissions of unpublished, original poetry collections, and public domain or permission-secured translations may comprise up to one-third of the manuscript. This biennial competition (awarded in even-numbered years) is open to all American poets, and the winning manuscript is published by the University of Evansville Press.
Document 9: Charles Simic: Charles Simic (Serbian: Душан "Чарлс" Симић ; born Dušan Simić; May 9, 1938) is a Serbian-American poet and was co-poetry editor of the "Paris Review". He received the Pulitzer Prize for Poetry in 1990 for "The World Doesn't End", and was a finalist of the Pulitzer Prize in 1986 for "Selected Poems, 1963-1983" and in 1987 for "Unending Blues". He was appointed the fifteenth Poet Laureate Consultant in Poetry to the Library of Congress in 2007.
Document 10: Robert E. Howard: Robert Ervin Howard (January 22, 1906 – June 11, 1936) was an American author who wrote pulp fiction in a diverse range of genres. He is well known for his character Conan the Barbarian and is regarded as the father of the sword and sorcery subgenre.
Document 11: The Wheel of Time: The Wheel of Time is a series of high fantasy novels written by American author James Oliver Rigney, Jr. under his pen name of Robert Jordan. Originally planned as a six-book series, "The Wheel of Time" spanned fourteen volumes, in addition to a prequel novel and a companion book. Jordan began writing the first volume, "The Eye of the World", in 1984, and it was published in January, 1990.
Document 12: The World of Robert Jordan's The Wheel of Time: The World of Robert Jordan's The Wheel of Time is a reference book for the bestselling The Wheel of Time epic fantasy series of novels by Robert Jordan. It is published in the United States by Tor Books and in the United Kingdom by Orbit Books. The bulk of the text was written by Teresa Patterson based on notes and information provided by Robert Jordan, with Jordan also serving as overall editor on the project.
Document 13: Roger Zelazny: Roger Joseph Zelazny (May 13, 1937 – June 14, 1995) was an American poet and writer of fantasy and science fiction short stories and novels, best known for "The Chronicles of Amber". He won the Nebula award three times (out of 14 nominations) and the Hugo award six times (also out of 14 nominations), including two Hugos for novels: the serialized novel "...And Call Me Conrad" (1965), subsequently published under the title "This Immortal" (1966) and then the novel "Lord of Light" (1967).
Document 14: Robert Ludlum bibliography: Robert Ludlum (1927–2001) was an American author of twenty-seven novels between 1971 and 2006, the last being issued five years after his death. Of his twenty-seven novels, two were originally published under the pseudonym of Jonathan Ryder and another under the pseudonym of Michael Shepherd. Ludlum also created the "Covert-One" series, overseeing the first three novels with Gayle Lynds and Philip Shelby before his death. Following Ludlum's death, his estate has continued to publish novels under his name with eight authors having written a combined twenty-two novels under the Ludlum brand, a trademark inscription of "Robert Ludlum's" on every book (e.g. "Robert Ludlum's The Bourne Dominion"). Since 2007, publishing rights in the United States have been held by Grand Central Publishing, taking over from St. Martin's Press who held the rights from 2000 to 2006.
Document 15: Robert Ludlum: Robert Ludlum (May 25, 1927 – March 12, 2001) was an American author of 27 thriller novels, best known as the creator of Jason Bourne from the original "The Bourne Trilogy" series. The number of copies of his books in print is estimated between 290 million and 500 million. They have been published in 33 languages and 40 countries. Ludlum also published books under the pseudonyms Jonathan Ryder and Michael Shepherd.
ground_truth: Robert Jordan