"become unknown" is a grammatically correct and commonly used phrase in written English.
It can be used to describe the process of something or someone becoming unknown or unfamiliar. Example: "After the sudden disappearance of the famous actor, he seemed to become unknown to his fans and the media."
Clinton's closest aide, Huma Abedin, and Hanley "indicated the whereabouts of Clinton's devices would frequently become unknown once she transitioned to a new device", the documents state.
In an 1884 article in The New York Times, the Odd Fellows grand master, John Tresidder, said that the organization "has gradually declined from being the leading order until its name has nearly become unknown in the polite circles of the city as the birds whose imprints are found in the old red sandstone".
While it's doubtful that heartland towns like Bakersfield, Fresno, and Merced which would be connected to the high-speed rail would suddenly become "unknown, unvisited, and probably unheard of by the women and children" as the Hyperloop zipped by, Musk's technology would dramatically alter their relation to the rest of the map of California.
We have reinvestigated the question of characterizing solutions to principal-agent problems, from the necessary conditions for an optimum, in economies where individual characteristics θ become unknown.
TGA can be employed only at relatively low heating rates (1 50 °C/min) because the true temperature of the samples may become unknown at high heating rates.
Geography renews itself as a human and creative discipline rather than a sociological or philosophical one because we need to see and designate places that have disappeared and thus become unknown.
When the convent was rebuilt decades later, Cervantes's remains were moved, but at some point their exact location became unknown.
A long, long book by an eminent jazz critic who scrupulously tracks the life and art of a very fine and immensely successful jazz singer and recording artist (and indifferent movie star) who suddenly became unknown in the 1960's.
He developed a passion for 1920s Russian architecture, believing "that this big and very important cultural period was… in some way another revolution, brighter and more interesting than the red one, but by some reason it became unknown".
So I touched on the notions of celebrity and obscurity in "Shoot the Piano Player"—reversed them, in fact, since here it is a famous person who becomes unknown.
A long, long book by an eminent jazz critic who scrupulously tracks the life and art of a very fine and immensely successful jazz singer and recording artist who suddenly became unknown in the 1960's.
