Sheldon Datz
Sheldon Datz( July 21, 1927 – August 15, 2001) was an American chemist.
Born in New York City as the son of Clara and Jacob Datz, he went to Stuyvesant High School and received a degree in chemistry from Columbia University and the University of Tennessee.
Along with Dr. Ellison Taylor, Datz was an early contributor to the invention of the molecular beam technique, for which Dudley R. Herschbach, Yuan T. Lee and John Charles Polanyi later won the Nobel Prize in Chemistry.
He shared the Fermi Award in 2000 with Sidney Drell and Herbert York.
Datz served in the U.S. Navy and moved to Oak Ridge, Tennessee upon the opening of federal nuclear facilities there after the Second World War.
He was married to Jonna Holm Datz and was the father of two children.
Estrella Zeledón Lizano
Estrella Zeledón Lizano( April 21, 1929 – April 10, 2019) was a Costa Rican public figure who served as the First Lady of Costa Rica from 1978 to 1982 during the presidency of her husband, Rodrigo Carazo Odio.
She also served on the Executive Council of the United Nations Educational, Scientific and Cultural Organization( UNESCO) from 1981 until 1985.
David Scotus
David Scotus was a Gaelic chronicler who died in 1139.
Muiredach Ua hÉnlainge
Muiredach Ua hÉnlainge was a Bishop of Clonfert who died in 1117.
Hélène Grenier
Hélène Grenier was a Canadian librarian born in 1900 who died in 1992.
Nathaniel Elliot
Nathaniel Elliot or Sheldon( 1705- 1780), was an English Jesuit scholar.
Frances Lasker Brody
Frances Lasker Brody( 1916–2009) was an American arts advocate, collector, and philanthropist who influenced the development of Los Angeles' cultural life as a founding benefactor of the Los Angeles County Museum of Art and later as a guiding patron of the Huntington Library, Art Collections and Gardens.
Mrs. Brody, who died on November 12, 2009 at 93, was the wife of Sidney F. Brody, a real estate developer who died in 1983, and the stepdaughter of Mary Lasker, a philanthropist and champion of medical research who died in 1994.
The Brodys lived in a modernist house in the Holmby Hills neighborhood of Los Angeles that was designed by the architect A. Quincy Jones and the decorator William Haines to show off the couple ’s collection.
Nicolas Barat
Nicolas Barat was a French Catholic scholar of Hebrew works, who died in 1706.
Willy Angerer
Willy Angerer( c. 1905 – July 21, 1936) was an Austrian mountaineer.
He was one of four mountaineers who died in the 1936 Eiger north face climbing disaster, along with Toni Kurz, Andreas Hinterstoisser and Eduard Rainer.
At twenty- seven Angerer was the oldest of the four climbers who died.
Michael Mavroudis
Michael Mavroudis was a martyr from Granitsa, who died in 1544.

Question: Who died first, Sheldon Datz or Estrella Zeledón Lizano?
Answer: Sheldon Datz