Atmospheric (passat) dust
Blood rain-blood snow
Springer Online Journal Archives 1860-2000
Abstract Christian Gottfried Ehrenberg can be considered to be the founder of the science of air-borne micro-organisms and thus aerobiology. The bicentennial of his birth (he was born on Easter Sunday, April 19th, 1795), however marks the beginning of several sciences and fields of science. He is the founder of geomicrobiology, protistology, co-founder of microbiology, scientific microscopy, neurobiology, and last not least of the theory of the Earth as a living entity, including rocks and rock deposits. The number of genera and species of bacteria, spirochaetes, fungi, diatoms, radiolaria, protozoa, and rotifera which were first described by him is in the hundreds. He is known as the discoverer and detailed describer of some of the most common bioluminescent marine organisms (Noctiluca miliaris andPeridinium), as well as the person who first deciphered the secret of the bloody hostia (Monas orBacterium prodigiosum, or more correctlySerratia marcescens), of the red snow and of the ‘meteor paper’ or ‘paper meteorites’. In this commemorative paper his work on air-borne dust and air-borne micro-organisms is reviewed.
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