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Tullio Levi-Civita, born 1873

Tullio Levi-Civita, ForMemRS (English: /ˈtʊlioʊ ˈlɛvi ˈtʃɪvɪtə/, Italian: ; 29 March 1873 – 29 December 1941) was an Italian mathematician, most famous for his work on absolute differential calculus (tensor calculus) and its applications to the theory of relativity, but who also made significant contributions in other areas. He was a pupil of Gregorio Ricci-Curbastro, the inventor of tensor calculus. His work included foundational papers in both pure and applied […]

Francesco Zantedeschi died 1873

Francesco Zantedeschi (August 20, 1797 – March 29, 1873) was an Italian Catholic priest and physicist. A native of Dolcè, near Verona, Zantedeschi was for some time professor of physics and philosophy in the Liceo of Venice. Later he accepted the chair of physics in the University of Padua, which he held until 1853 being then obliged to resign on account of failing sight. He was an […]

Cesar Chavez Day, born 1927, Yuma, AZ.

Cesar Chavez (born César Estrada Chávez, locally ; March 31, 1927 – April 23, 1993) was an American labor leader and Latino American civil rights activist. Along with Dolores Huerta, he co-founded the National Farm Workers Association, later renamed the United Farm Workers (UFW) union. - Wikipedia

April Fools Day.

April Fools' Day or April Fool's Day (sometimes called All Fools' Day) is an annual celebration on April 1, commemorated by practical jokes and hoaxes. The player(s) of the joke(s) or hoax(es) often exposes their action by shouting "April fool(s)" at the recipient(s). The recipient of these actions are called April fools. Mass media can be involved in these pranks that the following […]

Full Moon

The Full Moon rises at sunset, and is visible all night. The Vatican Observatory's monthly Full Moon Meetup for Sacred Space Astronomy subscribers is held at 10:00 AM Tucson time.

International Day of Human Space Flight.

The General Assembly, in its resolution A/RES/65/271 of 7 April 2011, declared 12 April as the International Day of Human Space Flight “to celebrate each year at the international level the beginning of the space era for mankind, reaffirming the important contribution of space science and technology in achieving sustainable development goals and increasing the well-being of […]

Your God is Too Small – Br. Guy Consolmagno

Br. Guy Consolmagno will present the talk "Your God is Too Small" as part of the Rev. George V. Coyne, S.J. Annual Lecture at Marquette University, Wisconsin - at 7:00 PM (Central) on April 12th.

Last Quarter Moon

The Moon is at Last Quarter (or Third Quarter) – rising around midnight, and visible to the south after sunrise.

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