An extract of gallnuts mixed with iron vitriol and thickened with gum-arabic solution produces a writing fluid that comes from the pen black, with a......Gallo, Bill (American cartoonist)Dec. 28, 1922New York, N.Y.May 10, 2011White Plains, N.Y.American cartoonist who created some 15,000 simple yet heartfelt sports cartoons that covered such events as World Series baseball games, Triple Crown horse