Soak gelatin in cold water. Then add boiling water and dissolve. Beat egg yolk until thick. Add whiskey very slowly. Beat in sugar; add lemon juice. Stir in gelatin and chill a short time. Whip cream and fold into mixture. Beat egg whites and fold in. Line sides and bottom of a 30 cm spring form pan with split lady fingers. Pour the mixture in slowly. When about halfway filled, put in layer of lady finger. When filled, place a design of lady finger on top. Chill overnight in refrigerator. Unmold before serving. ----