Meet Miriam Adelson, Sheldon's shadow

[yankeedoodle]

Miriam's influence has been deeper than many credit, although she appears to have been perfectly comfortable remaining in her 85-year-old husband's [Sheldon's] shadow until recently.
[...]
Evidence suggests that she is the driver in the couple's political and philanthropic activities, whether pushing for the relocation of the US embassy to Jerusalem from Tel Aviv or donating an unprecedented $113m to this year's midterm elections.

"Everybody says it's Sheldon, but it's Miriam," says Michael Cherry, the associate chief justice of the Nevada supreme court, who sits on the board of the Las Vegas methadone clinic that the Adelsons founded. 

There's a big long article, full of links and pictures, here:
Meet Dr Miriam Adelson: the record-breaking Republican donor driving Trump's Israel policy
https://www.theguardian.com/us-news/2019/jan/07/meet-dr-miriam-adelson-the-record-breaking-republican-donor-driving-trumps-israel-policy