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