katherine johnson - chandra x-ray observatory · katherine johnson chandra.si.edu/women national...
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Kath
erine
Jo
hnso
n
chan
dra.
si.e
du/w
omen
ww
w.n
asa.
gov
Nat
iona
l Aer
onau
tics
and
Spac
e Ad
min
istra
tion
Kath
erin
e C
olem
an G
oble
Joh
nson
(b
.1918
) is
an A
fric
an-A
mer
ican
spa
ce
scie
ntis
t and
mat
hem
atic
ian
who
ca
lcul
ated
spa
ce fl
ight
traj
ecto
ries
for
criti
cal N
ASA
pro
ject
s su
ch a
s th
e 19
69
Apo
llo 11
trip
to th
e M
oon.
Joh
nson
was
kn
own
for h
er m
athe
mat
ical
acc
urac
y an
d w
as a
sked
to d
oubl
e ch
eck
the
com
pute
r-ba
sed
calc
ulat
ions
on
maj
or
spac
e fli
ght m
issi
ons.
illust
ratio
n: K
ristin
DiV
ona
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