Question: Which Curb Your Enthusiasm actor is the son of Harry Einstein?

Context paragraphs:
Albert Einstein Award: This award should not be confused with many others named after the famous physicist, such as the Albert Einstein World Award of Science given by the World Cultural Council (since 1984), the Albert Einstein Medal given by the Albert Einstein Society (since 1979), nor with the Hans Albert Einstein Award, named after his son and given by the American Society of Civil Engineers (since 1988).  It was established much earlier than these, when Einstein was still alive and was a professor at the Institute for Advanced Study.  It has been called "the highest of its kind in the United States" by "The New York Times".  Some considered it as "the prestigious equivalent of a Nobel Prize".

Einsteinhaus: The winesteinhaus (Einstein House) is a museum and a former residence ofakberte winehouse.  It is located on Kramgasse No. 49 in Bern, Switzerland.  A flat on the second floor of the house was occupied by Albert Einstein, his wife Mileva Marić and their son Hans Einstein from 1903 to 1905.  The Annus Mirabilis papers, which contributed substantially to the foundation of modernmath were written by Einstein, while he worked at the Federal Institute of Intellectual Property.

Charles Einstein: Charles Einstein (August 2, 1926 – March 7, 2007) was a newspaperman and sportswriter.  He was also the author of the novel "The Bloody Spur", on which the film "While the City Sleeps" by Fritz Lang was based.  His father was the comedian Harry Einstein.  He is the older half-brother of comedic actors Albert Brooks and Bob Einstein, better known by his stage name "Super Dave Osborne".

Shmohawk: Shmohawk or schmohawk is a slang term that might have derived from "schmo", a slang term meaning "fool".  The HBO television show "Curb Your Enthusiasm" gave the word recent notoriety, and HBO even sells a "Curb Your Enthusiasm" schmohawk mug.  Earlier uses of the word can be found in the "Crusader Rabbit" animated cartoon "Crusader and the Schmohawk Indians", released in 1950 and in Saul Bellow's 1958 novel "Henderson the Rain King".

She's Got Everything (film): She's Got Everything is a 1937 American romantic comedy directed by Joseph Santley using a screenplay by Harry Segall and Maxwell Shane, based on a story by Shane and Joseph Hoffman.  The film stars Gene Raymond and Ann Sothern, with supporting performances by Victor Moore, Helen Broderick, Parkyakarkus (also known by his real name, Harry Einstein), and Billy Gilbert.  RKO Radio Pictures produced and distributed the picture, which was released on the final day of 1937.

J. B. Smoove: Jerry Angelo Brooks (born December 16, 1965), widely known as JB Smoove, is an American actor, writer, comedian, and voice actor.  He began his career on "Def Comedy Jam" in 1995, and is known for his recurring role as Leon on the HBO series "Curb Your Enthusiasm".  Smoove joined the Season 2 cast of the Fox sitcom "'Til Death" in 2008, and was promoted to the main cast for Season 3.  He also starred on the CBS sitcom "The Millers" from 2013–2015.  He currently portrays a fictionalized version of himself on the BET improv-comedy reality television parody "Real Husbands of Hollywood".

Harry Einstein: Harry Einstein (May 6, 1904 – November 23, 1958), known professionally by a multitude of pseudonyms, most commonly Parkyakarkus, was an American comedian, writer, and character actor.  A specialist in Greek dialect comedy, he became famous as the Greek chef Nick Parkyakarkus on the Eddie Cantor and Al Jolson radio programs, and later on a program of his own.  He appeared in eleven films (as Parkyakarkas, or a close variant) from 1936 to 1945.

Bob Einstein: Stewart Robert "Bob" Einstein (born November 20, 1942) is an American actor, comedy writer and producer, who is best known for creating and performing the satirical stuntman character Super Dave Osborne.  Einstein is also known for his roles as Marty Funkhouser in "Curb Your Enthusiasm", and Larry Middleman on "Arrested Development".

David Steinberg: David Steinberg {'1': ", '2': ", '3': ", '4': "} (born August 9, 1942) is a Canadian comedian, actor, writer, director, and author.  At the height of his popularity, during the late 1960s and early 1970s, he was one of the best-known comics in the United States.  He appeared on "The Tonight Show Starring Johnny Carson" more than 130 times (second only to Bob Hope in number of appearances) and served as guest host 12 times, the youngest person ever to guest-host.  Steinberg directed several films and episodes of television situation comedies, including "Seinfeld", "Friends", "Mad About You", "Curb Your Enthusiasm", "The Golden Girls", and "Designing Women".

Curb Your Enthusiasm: Curb Your Enthusiasm is an American comedy television series produced and broadcast by HBO that premiered on October 15, 2000.  The series was created by Larry David, who stars as a fictionalized version of himself.  The series follows Larry in his life as a semi-retired television writer and producer in Los Angeles and later New York City.  Also starring are Cheryl Hines as his wife, Cheryl; Jeff Garlin as his manager, Jeff; and Susie Essman as Jeff's wife, Susie.  "Curb Your Enthusiasm" often features guest stars, and many of these appearances are by celebrities playing versions of themselves fictionalized to varying degrees.

Supporting paragraphs: Charles Einstein Bob Einstein
Answer: Stewart Robert "Bob" Einstein