Taken as a whole, the archive offers a vivid inside look at the history of collecting and of the art market in the United States and Europe from the mid-19th century forward.
By sustaining various beliefs, he carried aspects of the 19th century forward into the age of Duchamp: a cultural morality, for instance, according to which he regarded art as pure, something from the heart, inimitable or else not art.
Mr. Ribot, a guitarist, and the Cubanos Postizos (the prosthetic Cubans) get most of their repertory from Rodriguez, but they carry his music a half-century forward into a skeptical, raucous downtown New York.
First came his 1961 masterwork "Blood Knot," and now it moves a half-century forward to Mr. Fugard's most recent play, in which the title character (Ritchie Coster) enlists the help of a gravedigger (Leon Addison Brown) to help expunge his guilt over a tragedy.
He told the London Society, a group of architects and others concerned with the improvement of the capital, how he was transported a century forward to the year 2014, where he saw "a beautiful sylvan line practically all around London", with "a certain amount of open spaces, pleasure grounds" set aside by "town planning schemes".
But plenty of fabulous items do, from the 19th century forward.
On the basis of astronomical data, Casanova (1915) moved the dates about a century forward, assigning the work to the years 1047 51.
But as the course of logical theory from the late nineteenth-century forward turned more and more to axiomatic systems and formal languages, the study of reasoning and natural language argumentation received much less attention, and hence developments in the study of fallacies almost came to a standstill.
As ideas about gender and beauty evolved through the eighteenth century forward, the stigma surrounding makeup shifted so that it became preferable for women to use cosmetics in the service of maintaining the illusion of youthful ideals.
"The late '50s, they stopped segregation in the army for African-Americans; the late '60s, interracial marriage was allowed; it was unconstitutional to make it illegal and here we are half a century forward and [our] marriage is not recognized," said Snyder-Hill during his on-air interview.
