White wine the death knell of northern viticulture. The vine disappeared from northern Germany and Baden, and the maximum altitude for viticulture descended to 220 metres. Hans-Jürgen Otto noted that: "all the vineyards suffered and decreased in area". In England the vine also disappeared. The less early vineyards preferred to select white varieties of grapes because, even if unripe, white grapes allowed wine that was a little sour to still be consumable, while red grapes do not give enough colour and green tannins make the wine bitter. The interruption of the fermentation by a cold winter led to the discovery of the
Sidney Grapes Twins, Keith Skipper and the Singing Postman. Sidney Grapes Sidney Samuel Grapes (6 June 1887 – 28 April 1958) was a British comedian, the owner of a bicycle shop and later a garage in Potter Heigham, a village in northeast Norfolk. In the years before the Second World War, he acquired a reputation as an amateur Norfolk dialect comedian, performing at social functions in many parts of the county and on the radio. However, he is most famous for "The Boy John Letters". The letters appeared in the "Eastern Daily Press", the regional newspaper, at irregular intervals. Grapes would simply