JACQUES J. POLAK "Koos" (Age 95) Of Washington, DC, formerly of Rotterdam, Holland, quietly passed away on February 26, 2010. Beloved husband of Pop Polak; father of Joost and Willem Polak. Survived by his sister, Martha Ben Assa of Israel; five grandchildren, Adam, Stephanie, Matt, Christin and Mallory. Also survived by four great grandchildren. Private funeral service is planned for Monday, March 8, 2010. A memorial event is planned for April at the International Monetary Fund. Donations, in lieu of flowers, may be sent to the Friends of Fort Dupont, 3779 Ely Street, SE, Washington, DC 20019.