Scurvy observed in any organism apart from humans and had been considered an exclusively human disease. Certain birds, mammals, and fish are susceptible to scurvy, but pigeons are unaffected, since they can synthesize ascorbic acid internally. Holst and Frølich found they could cure scurvy in guinea pigs with the addition of various fresh foods and extracts. This discovery of an animal experimental model for scurvy, which was made even before the essential idea of "vitamins" in foods had been put forward, has been called the single most important piece of vitamin C research. In 1915, New Zealand troops in the Gallipoli
The Days of the Turbins people, caused furore. In its first season, in 1926/1927 "The Days of the Turbins" ran for 108 performance, which was a record figure that year for Moscow theatres. Despite numerous attempts at obstructions, it became a huge a hit, especially with the non-party public. The Soviet press panned it, though, and as the time went by, the severity of the criticism increased. In April 1929 the MAT leadership succumbed to the pressure and the production was cancelled. On 28 March 1930 Bulgakov sent a letter to the Soviet government, protesting against the treatment that the play had been subjected to