The phrase "the single individual" is correct and usable in written English
It can be used to refer to one specific person. For example: "The single individual chosen to represent the team was John."
The single individual most responsible was Kim Jong-il.
"The single individual is more likely to be wrecked on his voyage than the lives joined together in matrimony".
"By focusing guilt on the single individual, war crimes tribunals skew the historical picture, absolving the mass of silent, willing executioners".
Of Mr Gore, it said: "He is probably the single individual who has done most to create greater worldwide understanding of the measures that need to be adopted".
The Norwegian committee said Mr Gore was "probably the single individual who has done most to create greater worldwide understanding of the measures that need to be adopted".
In its formal citation, the Nobel committee called Mr. Gore "probably the single individual who has done most to create greater worldwide understanding of the measures that need to be adopted".
Mr. Mendelson has chosen them, he writes, out of the belief that what is most valuable in literature is not the single individual, but the interweaving of emotions and relationships among a group of people.
The Nobel Peace Prize committee, in its citation, called Gore "probably the single individual who has done most to create greater worldwide understanding" of what needs to be done to combat global warming.
In time of war, when fateful decisions must be made quickly, power flows to the single individual controlling the executive branch, not the 535 people who share control of the legislative branch.
But it is Mr. Weisel's extracurricular activity that connects him to the news of the moment: he was Mr. Armstrong's biggest financial backer and the single individual most responsible for the money machine that propelled Mr. Armstrong's career.
As "the single individual most responsible for the money machine that propelled Mr. Armstrong's career," Mr. Weisel could be subject to lawsuits from corporate sponsors, Andrew Ross Sorkin writes in the DealBook column.
