Martha Hart
Martha Joan Hart (née Patterson) (born October 31, 1966) is the widow of professional wrestler Owen Hart.
After her husband's death in an accident at a WWF event, Hart sued the World Wrestling Federation.
She later wrote a bestselling book about her husband's life and founded a charity in his name.
She has subsequently been involved in several legal cases involving her husband's image and has worked as a philanthropist and researcher.
Owen Hart
Owen James Hart (May 7, 1965 – May 23, 1999) was a Canadian–American professional and amateur wrestler who worked for several promotions including Stampede Wrestling, New Japan Pro-Wrestling (NJPW), World Championship Wrestling (WCW), and the World Wrestling Federation (WWF).
He received his most success in the WWF, where he wrestled under both his own name and the ring name The Blue Blazer.
A member of the Hart wrestling family, he was born in Calgary, Alberta, the youngest of 12 children of Stampede Wrestling promoters Stu and Helen Hart.
Among other accolades, Owen was a one-time USWA Unified World Heavyweight Champion, a two-time WWF Intercontinental Champion, a one-time WWF European Champion, and a four-time WWF World Tag Team Champion, as well as the 1994 WWF King of the Ring.
He headlined multiple pay-per-view events for the WWF, and was widely regarded as one of the company's best in-ring performers.
Hart died on May 23, 1999, due to injuries suffered following an equipment malfunction and subsequent fall from the rafters of Kemper Arena in Kansas City, Missouri, United States, during his ring entrance at the WWF's Over the Edge pay-per-view event.
Thomas Scott (diver)
Thomas Scott( 1907- date of death unknown) was an English diver.
Bill Smith (footballer, born 1897)
William Thomas Smith( born 9 April 1897, date of death unknown) was an English professional footballer.
Harry Wainwright (footballer)
Harry Wainwright( born 1899; date of death unknown) was an English footballer.
Theodred II (Bishop of Elmham)
Theodred II was a medieval Bishop of Elmham.
The date of Theodred's consecration unknown, but the date of his death was sometime between 995 and 997.
Etan Boritzer
Etan Boritzer( born 1950) is an American writer of children ’s literature who is best known for his book" What is God?" first published in 1989.
His best selling" What is?" illustrated children's book series on character education and difficult subjects for children is a popular teaching guide for parents, teachers and child- life professionals.
Boritzer gained national critical acclaim after" What is God?" was published in 1989 although the book has caused controversy from religious fundamentalists for its universalist views.
The other current books in the" What is?" series include
What is Love?,
What is Death?,
What is Beautiful?,
What is Funny?,
What is Right?,
What is Peace?,
What is Money?,
What is Dreaming?,
What is a Friend?,
What is True?,
What is a Family?,
What is a Feeling?"
The series is now also translated into 15 languages.
Boritzer was first published in 1963 at the age of 13 when he wrote an essay in his English class at Wade Junior High School in the Bronx, New York on the assassination of John F. Kennedy.
His essay was included in a special anthology by New York City public school children compiled and published by the New York City Department of Education.
Boritzer now lives in Venice, California and maintains his publishing office there also.
He has helped numerous other authors to get published through" How to Get Your Book Published!" programs.
Boritzer is also a yoga teacher who teaches regular classes locally and guest- teaches nationally.
He is also recognized nationally as an erudite speaker on" The Teachings of the Buddha."
Fred Bradley (rower)
Frederick Bradley( 1908- date of death unknown) was an English rower.
Albert Thompson (footballer, born 1912)
Albert Thompson( born 1912, date of death unknown) was a Welsh footballer.
Harry Johnson (wrestler)
Harry Johnson( 1903- date of death unknown) was an English wrestler.

Question: What is the date of death of Martha Hart's husband?
Answer: May 23, 1999