Title: Henry Fairfield Osborn Jr.
Content:  Henry Fairfield Osborn Jr. was born in Princeton, New Jersey in 1887. Born into the wealthy and influential Osborn family, he was the son of Henry Fairfield Osborn, a prominent paleontologist, eugenicist and "distinguished Aryan enthusiast". After obtaining his Bachelor of Arts from Princeton University, he went on to study biology at Cambridge University, but then pursued a career in international business. Towards the end of the First World War, he served briefly as a Captain in the United States Army, after which he returned to private enterprise. In 1935, he retired from business and devoted himself to environmental causes and especially to the New York Zoological Society (today known as the Wildlife Conservation Society). Following his election to the Society's 
Title: Henry Fairfield Osborn
Content:  This articles is about the geologist; for his son see Henry Fairfield Osborn Jr. Henry Fairfield Osborn, Sr. (August 8, 1857 – November 6, 1935) was an American paleontologist, geologist and eugenics advocate. He was the president of the American Museum of Natural History for 25 years.
Title: Henry Fairfield Osborn
Content:  Henry Fairfield Osborn was born in Fairfield, Connecticut on August 8, 1857. He was the eldest son of prominent railroad tycoon William Henry Osborn and his wife, Virginia Reed (née Sturges) Osborn. His younger brother was William Church Osborn, who served as president of the Metropolitan Museum of Art, and married philanthropist and social reformer Alice Clinton Hoadley Dodge, a daughter of William E. Dodge Jr. His maternal grandparents were Jonathan Sturges, a prominent New York businessman and arts patron who was a direct descendant of Jonathan Sturges, a U.S. Representative from Connecticut, and Mary Pemberton Cady, a direct descendant of prominent educator Ebenezer Pemberton. His maternal aunt Amelia Sturges, was the first wife of 
Title: Henry Fairfield Osborn Jr.
Content:  Henry Fairfield Osborn Jr. (15 January 1887 – 16 September 1969), was an American conservationist. He was longtime president of the New York Zoological Society (today known as the Wildlife Conservation Society).
Title: Paleontology in Connecticut
Content: Henry Fairfield Osborn was born in Fairfield on August 8, 1857. 
Title: Henry Fairfield Osborn
Content:  Adams Perry, was the wife of banker Junius Spencer Morgan II. Osborn and his wife had five children, one of whom died in childhood: After his father's death in 1894, Osborn inherited his Rhenish style home, Castle Rock, in Garrison, New York in the Hudson Highlands, which his father had purchased in 1859, and where he concentrated on his philanthropy after his 1882 retirement. After his mother's death in 1902, the remainder of his parent's estate was equally divided between Henry and his brother William. Following an "illness of nearly a year", his wife died at their country home in August 1930. Osborn died suddenly on November 6, 1935 in his study at Castle Rock, overlooking the Hudson River.
Title: Henry Fairfield Osborn Jr.
Content:  president of the Conservation Foundation, an organization he founded with a number of like-minded colleagues to raise awareness about ecological problems. After retiring as Conservation Foundation president in 1962, he served as its Chairman until 1969. From 1950 to 1957, Osborn was also a member of the Conservation Advisory Committee for the U.S. Department of the Interior, while also serving on the Planning Committee of the Economic and Social Council of the United Nations. Upon his death in New York City on September 16, 1969, "he was remembered for playing a valuable role in a number of conservation organizations and for his outreach initiatives to warn of the dangers of uncontrolled population growth and to promote responsible natural resource consumption."
Title: Henry Fairfield Osborn
Content: Virginia Sturges Osborn (1882–1955), married firstly Ralph Sanger (1882–1918); married secondly Robert Gordon McKay (1877–1958). ; Fairfield Osborn Sanger (1907–1917) ; Alexander Perry Osborn (1884–1951), a lawyer and banker who married secondly Marie Cantrell (1903–1988). His first marriage was to Anne Maynadier Steele (1894–1977), and resulted in a divorce. ; Alexander Perry Osborn Jr. (1917–1974), married Marion Lawrence (1918–2010), a great-great-granddaughter of Abbott Lawrence and twice-divorced mother of four. Her first marriage was to Robert B. Cutler. ; Alexander Perry Osborn III (1955–2008) ; Alexander Perry Osborn IV ; Gary Wayne Osborn ; David Eugene Osborn ; Henry Fairfield Osborn Jr. (1887–1969), known as Fairfield Osborn, naturalist and conservationist who married Marjorie Mary Lamond (1892–1989). ; Josephine Adams Osborn 
Title: William H. Osborn
Content: Henry Fairfield Osborn (1857–1935), a geologist, paleontologist, and eugenist who served as president of the American Museum of Natural History. He married writer Lucretia Thatcher Perry (1858–1930), daughter of Brigadier General Alexander James Perry, in 1881. Her sister, Josephine Adams Perry, married Junius Spencer Morgan II. ; William Church Osborn (1862–1951), who served as president of the Metropolitan Museum of Art. He married philanthropist and social reformer Alice Clinton Hoadley Dodge (1865–1946), a daughter of William E. Dodge Jr. In 1853, Osborn married Virginia Reed Sturges (1830–1902). Virginia was the eldest daughter of businessman and arts patron Jonathan Sturges and his wife, Mary Pemberton (née Cady) Sturges. Her 
Title: Henry Fairfield Osborn
Content:  P. Morgan, but died of tuberculosis soon after their wedding. From 1873 to 1877, Osborn studied at Princeton University, obtaining a B.A. in geology and archaeology, where he was mentored by paleontologist Edward Drinker Cope. Two years later, Osborn took a special course of study in anatomy in the College of Physicians and Surgeons and Bellevue Medical School of New York under Dr. William H. Welch, and subsequently studied embryology and comparative anatomy under Thomas Huxley as well as Francis Maitland Balfour at Cambridge University, England. In 1880, Osborn obtained a Sc.D. in paleontology from Princeton, becoming a lecturer in Biology and Professor of Comparative Anatomy from the same university between 1883 and 1890.

Question: Who is the father of Henry Fairfield Osborn, Jr?
Answer: Henry Fairfield Osborn.
Henry Fairfield Osborn, Sr.
Osborn.
H. F. Osborn.