They donated funds to the Jerusalem Foundation to build the playground, which was completed in 1986, but the Intifada kept the two sides apart.
As of 2002, the Jerusalem Foundation reported that over 3.5 million visitors had toured the museum.
Meridor also serves as the international chairman for the Jerusalem Foundation.
The Jerusalem Foundation is unique in its structure and mission, as it funds municipal projects with private donations from international sources.
Between 1966 and 1980, revenue from The Jerusalem Foundation accounted for 16 to 20 percent of the municipal budget.
Between 1966 and 1991, The Jerusalem Foundation contributed $245 million to the city's development.
As of 2012 The Jerusalem Foundation has funded over 2,000 projects.
The Jerusalem Foundation has also contributed to Arab neighborhoods, though not to the same extent as Jewish ones.
He is married to Ruth Cheshin, founding president of the Jerusalem Foundation.
The Jerusalem Foundation, the fund-raising organization he established, announced his death.