Their exhibition “The Call,” at the Serpentine Galleries in London through Feb. 2, is the first large-scale solo museum show for the artist duo, who have long been at the forefront of A.I.’s ...

Isaac Tyson Jr. (1792–1861) was a Quaker businessman from Baltimore, Maryland, who held a virtual monopoly on world supplies of chromium minerals during the mid-19th century and a very successful ...