The phrase "acknowledged by at" is not correct and does not make sense in written English.
It seems to be an incomplete expression and lacks clarity in its intended meaning.
Example: "The findings were acknowledged by at least three experts in the field."
Alternatives: "recognized by" or "validated by".
The crucial role of "The New Yorker's" first art editor, Rea Irvin, in the magazine's history was acknowledged by… AT THE GALLERIES about Chuck Close... Encountered in a gallery or here, on the printed page, the dimensions of this painting remain elusive.
The disconnect between the invitations to Stella McCartney's shows and the tone of the show itself has long been acknowledged by insiders at Paris fashion week.
The crucial role of "The New Yorker's" first art editor, Rea Irvin, in the magazine's history was acknowledged by Harold Ross at the outset, when he declared his desire to "get the prose of the magazine like the art".
Short of that, no amount of tweaking can overcome the raw fact acknowledged by Mercatus at the top of its website: Preexisting conditions are a fact of medical life, and they have to be dealt with one way or another.
It was acknowledged by those at the meeting that all too often the racial policies of the Rhodesias were confused with the emerging apartheid of South Africa, and Welensky himself claimed to refute these ideas when being interviewed by a South African newspaper.
"It is, of course, a fantastic thrill when the music you make is acknowledged by virtually anyone at all," he said.
They used to be hurled into skips by publishers after use, but are now demanded back by the artists, whose work is about to be acknowledged by an exhibition at London's the Victoria and Albert Museum.
I suspect that for many people writing about ethics, these touchstones or worldviews aren't expressed explicitly in the work, or perhaps aren't even acknowledged by the writer at all.
Mr. Sharpton's imminent hiring, which was acknowledged by three people at the channel on condition of anonymity because the contract had not been signed, is significant in part because MSNBC and other news channels have been criticized for a paucity of minority hosts in prominent time slots.
