Aldo Leopold
Aldo Leopold (January 11, 1887 – April 21, 1948) was an American author, philosopher, scientist, ecologist, forester, conservationist, and environmentalist.
He was a professor at the University of Wisconsin and is best known for his book "A Sand County Almanac" (1949), which has sold more than two million copies.
Leopold was influential in the development of modern environmental ethics and in the movement for wilderness conservation.
His ethics of nature and wildlife preservation had a profound impact on the environmental movement, with his ecocentric or holistic ethics regarding land.
He emphasized biodiversity and ecology and was a founder of the science of wildlife management.
Fred Bradley (rower)
Frederick Bradley( 1908- date of death unknown) was an English rower.
Estella Leopold
Estella B. Leopold (born 1927) is a paleobotanist and a conservationist.
As a researcher in the United States Geological Survey, she aided in uncovering records of plant life from the Miocene around the Eniwetok and Bikini Atolls in the southern Pacific Ocean and from the Cenozoic era in the Rocky Mountains.
As a professor of botany and forest sciences at the University of Washington, she directed the Quaternary Research Center, researched the forest history of the Pacific Northwest, and collaborated with Chinese paleobotanists.
Leopold's work as a conservationist includes taking legal action to help save the Florissant Fossil Beds in Colorado, and fighting pollution.
She is the daughter and only surviving child of Aldo Leopold.
Albert Thompson (footballer, born 1912)
Albert Thompson( born 1912, date of death unknown) was a Welsh footballer.
Harry Wainwright (footballer)
Harry Wainwright( born 1899; date of death unknown) was an English footballer.
Bill Smith (footballer, born 1897)
William Thomas Smith( born 9 April 1897, date of death unknown) was an English professional footballer.
Harry Johnson (wrestler)
Harry Johnson( 1903- date of death unknown) was an English wrestler.
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."
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.
Thomas Scott (diver)
Thomas Scott( 1907- date of death unknown) was an English diver.

Question: What is the date of death of Estella Leopold's father?
Answer: April 21, 1948