The phrase "a single genius" is correct and usable in written English.
It can be used to refer to one individual who possesses exceptional intellectual or creative abilities.
Example: "In the world of science, Albert Einstein is often regarded as a single genius whose theories revolutionized our understanding of physics."
Alternatives: "one brilliant mind" or "an individual prodigy".
The image that architecture is done by a single genius has never conformed to reality, but particularly in today's practice — relying as it does on extended technical expertise — it is ridiculous to attribute the design to a single genius.
A single genius redeems the whole process, never mind these precious stones seem to turn up only as part of a more thorough process.
India's national team is much improved: it is hard to imagine it again so reliant on a single genius, as it was on Mr Gavaskar and sometimes Mr Tendulkar.
By 2012, others had joined the poll-aggregator field, so that weighting and sorting data started to seem a little less like the work of a single genius than like a science in its own right.
In my view, the greatest achievement of these islands was not arrived at by an individual, and not imagined by a single genius, but created, honed and sustained by millions over centuries: the English Language.
That a brother and a sister might "give birth to a single genius, which died as quickly as we were parted, which was reborn the moment we got together again".
"A game isn't made by one single genius," he smirks.
The Soviets organized their autocratic economy to produce a fiction: the fantasy that a single, benevolent genius guided the workers.
In "Nine" (revived by the Roundabout Theatre, at the Eugene O'Neill), an adaptation of Federico Fellini's "8H," the conundrum of the monstrous is played out within the contradictory interior hubbub of a single creative genius, a successful film director named Guido Contini.
Rylance, who has the ideas and demeanour of a countercultural guru from the 70s, finds "the idea of the single genius at work here very damaging to the confidence of younger playwrights".
"They don't occupy the realm of the single genius, solitary artist," said Hudson.
