Separate 6 eggs. Beat yolks well. Beat in 1/2 cup sugar. Clean/degrease beaters and bowl. Beat egg whites until stiff peaks form. Beat in 1/2 cup sugar. Fold in yolks to whites. Gently stir in 1 pt heavy cream, 1 pt milk, 1 pt bourbon, and 1 oz rum. Serve as is or well chilled. Double recipe to fill a punch bowl.