Reply Billionaire novelist and philanthropist MacKenzie Scott donated $4 million to Meals on Wheels San Diego County. (Shutterstock) SAN DIEGO, CA — Billionaire novelist and philanthropist MacKenzie Scott donated $4 million to Meals on Wheels San Diego County, it was announced Tuesday, part of $4.2 billion she has donated in the last four months to 384 organizations. "In such a critical moment when the seniors we serve rely on us for not only a hot meal, but a warm smile and a wellness check, Ms. Scott's donation carries even deeper meaning," said Brent Wakefield, president and CEO of Meals on Wheels San Diego County. "Her donation represents the second largest gift in our agency's history and it comes at such a critical moment.