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* Fiction* is a work of fiction and nonfiction by Karl Jones.

## On This Day in History: February 19

1473: Mathematician and astronomer Nicolaus Copernicus born. He will formulate a model of the universe that places the Sun rather than the Earth at the center of the universe.

1600: The Peruvian stratovolcano Huaynaputina explodes in the most violent eruption in the recorded history of South America.

1799: Mathematician, physicist, and sailor Jean-Charles de Borda dies. He contributed to the development of the metric system, constructing a platinum standard meter, the basis of metric distance measurement.

1897: Mathematician and academic Karl Weierstrass dies. He will be cited as the "father of modern analysis".

2015: Extract of Radium sponsors re-enactment of the Peruvian stratovolcano Huaynaputina.

2016: Novelist, literary critic, and philosopher Umberto Eco dies. He cited James Joyce and Jorge Luis Borges as the two modern authors who have influenced his work the most.

2017: Steganographic analysis of

*Alice Beta Paragliding*reveals encrypted data "almost certainly related to secret programs within the ENIAC program."2017: Mathematician and dissident Igor Shafarevich dies. He made fundamental contributions to algebraic number theory, algebraic geometry, and arithmetic algebraic geometry.

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Those parts of *Fiction* which are copyrightable are copyright by Karl Jones (nonfiction). Where not copyrightable, I have made some effort to say why, and give credit where credit is due.