The remaining necessary $188,000 was added all at once by a single anonymous donor.
This makes the firm the largest single donor to the senator's campaign.
So it wasn't even a single donor I had to choose but a collection, a triumvirate.
The group recently created a political arm that has raised $1 million from a single anonymous donor.
No single donor, or family, would think it proper to assert itself by name.
Usually a school changes its name after receiving a large donation from a single donor or a small group.
A single donor has offered a matching grant of $500,000 toward the $3 million goal.
There was a single donor, whose own infection had occurred too recently to be detected.
The number of children permitted to be born from a single donor varies according to law and practice.
Designs based on a single donor simplify the build process.