Question: Dr. Richard Solomon, usually known as Dick Solomon, is a character played by John Lithgow in which late 1990s American sitcom that aired from 1996 to 2001 on NBC?
Context: Leon J. Kamin (born December 29, 1927) is an American psychologist known for his contributions to learning theory and his critique of estimates of the heritability of IQ.  He studied under Richard Solomon at Harvard and contributed several important ideas about conditioning, including the "blocking effect". Trial & Error (formerly known as "The Trail") is an American sitcom television series created by Jeff Astrof and Matt Miller for NBC.  Produced by Warner Bros.  Television, the series was commissioned in May 2016, and premiered on March 14, 2017.  It stars Nicholas D'Agosto, Jayma Mays, Steven Boyer, Krysta Rodriguez, and Sherri Shepherd, with John Lithgow also starring in the first season.  The series, which spoofs documentaries and reality legal shows, follows Northeastern lawyer Josh Segal (portrayed by D'Agosto) and his eccentric local associates (portrayed by Boyer and Shepherd) in a fictional small town in South Carolina called East Peck as he represents accused local citizens. Harry S. Solomon is a character in "3rd Rock from the Sun", played by French Stewart.  He is the brother of Dick Solomon and Sally Solomon, and the uncle of Tommy Solomon.  His middle initial is mentioned in the episode "Dick the Vote."  French Stewart said in a 1998 interview, "The way the character was originally described to me was he would be an idiot on any planet.  So he's got to be the biggest idiot in the universe!" The Fugitive was an American drama series created by Roy Huggins.  It was produced by QM Productions and United Artists Television.  It aired on ABC from 1963 to 1967.  David Janssen starred as Dr. Richard Kimble, a physician who is falsely convicted of his wife's murder and sentenced to receive the death penalty.  En route to death row, Dr. Richard Kimble's train derails over a switch, allowing him to escape and begin a cross-country search for the real killer, a "one-armed man" (played by Bill Raisch).  At the same time, Dr. Kimble is hounded by the authorities, most notably by Police Lieutenant Philip Gerard (Barry Morse). 3rd Rock from the Sun (sometimes referred to as simply 3rd Rock) is an American sitcom that aired from 1996 to 2001 on NBC.  The show is about four extraterrestrials who are on an expedition to Earth, which they consider to be a very insignificant planet.  The extraterrestrials pose as a human family to observe the behavior of human beings. Dr. Richard Solomon, usually known as Dick Solomon, is a character played by John Lithgow in the late 1990s NBC sitcom "3rd Rock from the Sun".  Solomon is the High Commander of a highly trained alien unit, sent to Earth by their leader, The Big Giant Head.  His crew is made up of Sally Solomon (played by Kristen Johnston), Harry Solomon (played by French Stewart), and Tommy Solomon (played by Joseph Gordon-Levitt).  In the first episode, "Brains and Eggs", Dick states that he has made a home of a "third rate planet, has a job at a third rate university, and now we are looking at a third floor apartment." Richard Solomon III (born June 18, 1992) is an American professional basketball player for Uşak Sportif of the Turkish Basketball Super League (BSL).  He played college basketball for California. Twenty Good Years is an American sitcom that aired on NBC from October 11, 2006, until January 31, 2007.  The series Jeffrey Tambor, John Lithgow, Heather Burns and Jake Sandvig. Mary Margaret Albright is a fictional character who was played by Jane Curtin in the American situation comedy "3rd Rock from the Sun".  She serves as a straight foil and love interest for the eccentric Dick Solomon. Christopher "Chris" Hogan is an American stand-up comedian, actor, and comedian, most notable for his membership in the recurring cast of comedians on "MADtv" and for the character of Aubrey Pitman, one of Dick Solomon's students, on "3rd Rock from the Sun".
Answer: 3rd Rock from the Sun