TANENBAUM
STALLMAN
TORVALDS
RITCHIE
ICAZA
S
Z
E
D
Y
N
F
D
E
P
I
I
M
A
N
A
M
L
L
A
T
S
U
U
N
S
E
R
E
I
G
D
C
I
A
C
X
R
U
X
K
L
E
P
N
B
P
S
X
R
O
A
R
K
W
J
N
O
G
M
R
V
V
I
Z
B
X
E
M
G
V
R
K
R
T
G
M
Y
N
I
U
O
O
O
H
C
M
R
M
A
G
T
M
I
W
C
H
D
T
A
T
Q
M
S
E
I
X
I
C
U
H
U
O
Q
E
I
D
R
E
Q
D
