Grand Forks herald. [volume] (Grand Forks, N.D.) 1916-1955, 1922-08-02

q certain amount OF organic matter
which, If taken into the system of q
human being, would cause serious III
convenience. These fine atoms Of
cotton and wool are breathed in by
workers in mills.
He al.o made a picture of flour
dust, which blows about in the air
of a flour mill. His picture showed
that this flour dust which falls on
the floor and then blows UP into the
dry air is largely i~mpregnated with
organic matter. The sample pictures
OF lust were all sent to Rio to show
the people hat such industries may
be dangerou, unless workers are
Clearly.
5 Artists Varied Career.
Mr.. Wilder's work takes in every
phase of art training, and he says that
If he had not had a varied career he
would not be able to paint all Of the
pictures that government investigators
casually request. Before doing gov
eminent work, he had a long career
as a landscape artist. portrait painter.
and teacher of art. He studied en-
craving and etching and was regard
ed az an expert etcher. Then scien-
lists persuaded him that science need
ed artists with a passion for truth
and exact0ess. He gave up producing
beauty and began to make his art
serve science, first at the University
OF Chicago and now for Is years at
the public health service laboratory.
His scientific art attracted attention
In England and he was made a fell
low OF the Royal Art society. a
He chose an extremely difficult
field. In drawing a fly, magnified
so that it is as large as a hand, the
artist must reproduce even the mum.
Der of hairs on the leg of the insect
The delicate colors of the wings, the
marking and the modelling must be
perfectly copied. and the drawing
must be enlarged accurately to scale
Much harder, however. is the ia ,h
OF painting from memory. Often 8
laboratory expert sends for Mr.. Wild.
er to come and sketch a rat or euines
! that has been inoculated witt
some disease. The picture is n
ally wanted to accompany a repor'
on the experimental work, and it ma
De necessary to sketch the animal a
once because it's condition will change
The artist seizes pad and pencil am
hurries to the laboratory. Ten min
utes quick work In the laboratory anf
Mr.. Wilder goes off with a drawint
OF the points that are peculiar to tina,
particular animal. He notes unusua
or unnatural color. swelling, and tn,
disease symptoms. Then he spend
several days making an elaborate Of
painting. =
Once he sketched "a rat that ha,
bubonic plague. There was no wa,
OF getting close to the animal withou
exposure to the disease. The arts
had to observe It through the rlas
on top of a tank.
Two things have impressed tn,
government artist about scientific art
One Is that the, order Of the univers
extends to the most minute organ
isms. The parasite shch al a NIT,
or louise has tens OF thousands q
parasites. perfectly formed, preyin,
on 1t. These orkAnisms in the Tissue
and blood Of q para tie have as MUG
in a room. III
The other fact which seems to III
artist: as OF paramount importance !
the war which disease germs ar
constantly waging against humanit,
81 them are dangerous, sappin
the vitality Of human beings whe
tney do not rapidly destroy tissue
In his pictures, Mr.. wilder show
otner people al wildly as he cal
low germs do their deadly worl
through his art he breaches SILENT
2 powerful creed Of cleanliness an
prevention Of disea -
ANSWERS TO QUESTIONS,
What is static? GU.