DRAWING
MICROSCOPIC OBJECTS
In the 21st century
we are used to books conatining photographs. Steel engravings and color lithographs
are a technique of the19 th century. Nevertheless, the drawing of microscopic
objects has still its meaning, as a photograph never shows all the details of
an object, because the microscope has only a small depth of field. On the other
hand, a micro-drawing is not simply a scaled image of the object, it is rather
the result of a synopsis done by the draftsman. Even today books written to
identify species use drawings instead of photographs!
The most famous artist
among biologists was Ernst Haeckel. In 1899 he published a beautiful
collection of biological and microscopic drawings entitled "Kunstformen
der Natur" (reprinted under ISBN 3-7913-1979-5, available at Prestel
Publishers). We are displaying two panels: the radiolarians and the
foraminifers. Soon after the publishing of the book Haeckel was criticized
by his colleagues for having idealized too much. They claimed that in reality
you can never see radiolarians with the same depth of field as presented in
his drawings. However, much later the scanning electron microscope (SEM) proved
Haeckel to have been right: his drawings actually anticipated SEM-images!
But even amateurs made drawings of high quality: The the rightmost sample has
been drawn by Detlev Rühmann, one of the founders of the
Microbiological Association.
Later generations
did not concentrate on beauty any longer, but instead focused more and more
on those details which are important for determining the species. Nevertheless,
Haeckel's tradition has survived. The botanist Migula (1910)
provided in his book a collection of expensive color lithographs, and even
1976 the "Danske Planteplankton" (ISBN 87-01-34321-1)
uses coloured tables, while Voigt in 1956 restricted himself
to simple black-and-white drawings.
The library of the Microbiological Association contains many
old books with plates, which are of course obsolete from the taxonomic point
of view. But none the less pleases readers to have a look at these ancient
books, because we can still admire the diligence of the researchers of those
past days and the enthusiasm and the joy of discovery they must have felt.
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