Question: When was the producer of "The Crazy World of Julius Vrooder" born? 

Context paragraphs:
The Crazy World of Julius Vrooder: The Crazy World of Julius Vrooder is a 1974 film from Playboy Enterprises directed by Arthur Hiller and produced by Hugh Hefner.  This was the final film for actor George Marshall.

Carl Palmer: Carl Frederick Kendall Palmer (born 20 March 1950) is an English drummer and percussionist.  He is credited as one of the most respected rock drummers to emerge from the 1960s.  In addition, Palmer is a veteran of a number of famous English bands, including the Crazy World of Arthur Brown, Atomic Rooster, Emerson, Lake & Palmer, and Asia.  Palmer was inducted into the "Modern Drummer" Hall of Fame in 1989.  He was awarded "Prog God" at the 2017 Progressive Music Awards.

Fire (Arthur Brown song): "Fire" is a 1968 song written by Arthur Brown, Vincent Crane, Mike Finesilver and Peter Ker.  Performed by The Crazy World of Arthur Brown, it was released as a single and on the band's debut album, also called "The Crazy World of Arthur Brown".  The single reached no.1 in the United Kingdom (in August 1968) and in Canada.  In October, it reached no.2 in the United States "Billboard" charts and no.19 in Australia.  It also reached no.3 in Germany, no.4 in France, no.6 in the Netherlands, no.7 in Austria, no.8 in Ireland, and no.18 in Finland.  "Fire" sold over one million copies, and was awarded a gold disc.

Fonzerelli: Fonzerelli is a DJ and music producer from the UK.  His 2005 single, "Moonlight Party", charted in the Netherlands, Finland and Australia.  Fonzerelli's remix of J. Majik & Wickaman's "Crazy World" is featured on the Grand Theft Auto IV soundtrack on Vladivostok FM.

Crazy World (Scorpions album): Crazy World is the eleventh studio album by German hard rock band Scorpions, released on 6 November 1990.  The album peaked at No. 21 on the "Billboard" 200 chart for albums in 1991.  That same year, the song "Wind of Change" reached No. 4 on the "Billboard" Hot 100 and "Send Me an Angel" reached No. 44 on the same chart.  "Crazy World" was the last album to feature bassist Francis Buchholz, and by that extent, the last to feature the band's classic lineup.  It also has the only Scorpions track to credit Buchholz, "Kicks After Six".  This album was the band's first album in a decade and a half to not be produced by Dieter Dierks and is widely considered to be the last "classic" Scorpions album.  In the UK, it remains the only Scorpions album to attain Silver certification (60,000 units sold) by the British Phonographic Industry, achieving this in November 1991.

Crazy World (Boys Like Girls album): Crazy World is the third studio album by American band Boys Like Girls.  The "Crazy World" EP was released on 17 July 2012 with the tracks, "Be Your Everything", "Life of the Party" and "The First Time" to help promote the album.  The album was released on December 11, 2012.  On November 15, they posted a "Crazy World Song Reveal" page, allowing fans to share a link to it in order to unlock a new song off the new record.  On November 16, the new track was revealed as "Stuck in the Middle", and the LP was made available for pre-order.

The Crazy World of Arthur Brown (album): The Crazy World of Arthur Brown is the eponymous debut studio album by the English psychedelic rock band the Crazy World of Arthur Brown, released in June 1968.  The album was produced by the Who's manager Kit Lambert with associate production by Pete Townshend.  The album was released in June 1968 on Lambert's Track Records label in the UK, with North American distribution handled by Atlantic Records.  The album was released in the US in September.  (Early North American copies of the album, while distributed by Atlantic, bore the Track Records imprint; later pressings were released on the Atlantic label proper.)

Hugh Hefner: Hugh Marston Hefner (April 9, 1926 – September 27, 2017) was an American businessman, magazine publisher and playboy.  He was the editor-in-chief of "Playboy" magazine, which he founded in 1953.  He was also the chief creative officer of Playboy Enterprises, which is the publishing group that operates the magazine.  An advocate of sexual liberation and freedom of expression, Hefner was a political activist and philanthropist in several other causes and public issues.

Mark Brzezicki: Mark Michael Brzezicki (born 21 June 1957, Slough, Buckinghamshire, England) is a rock drummer, who is primarily known for his work with Big Country, and was a member of the groups The Cult, Ultravox, From The Jam and Procol Harum.  He has also played with Pete Townshend, Roger Daltrey, The Crazy World Of Arthur Brown, Midge Ure, Fish, The Pretenders, Nik Kershaw and many others.  He was also the drummer on "Shine", the second and final English language album by Frida of ABBA.  He uses both the traditional and matched grips.

Alan Klein: Alan Klein (born Alan Charles Klein, 29 June 1940, Clerkenwell, London) is an English singer-songwriter and musician.  He wrote the soundtrack for the stage play and film, "What a Crazy World" (1963).  In 1964, he released his only solo album, "Well At Least It's British", that was re-released in 2008 by RPM Records.

Supporting paragraphs: The Crazy World of Julius Vrooder Hugh Hefner
Answer: April 9, 1926