Upload
geoff-riley
View
866
Download
1
Embed Size (px)
DESCRIPTION
Citation preview
Tuesday, 25 June 13
Phot
ogra
ph c
ourt
esy
of C
arol
Som
erve
llTuesday, 25 June 13
Phot
ogra
ph c
ourt
esy
of T
he L
ondo
n Sc
hool
of E
cono
mic
sTuesday, 25 June 13
Phot
ogra
ph c
ourt
esy
of S
cien
ce M
useu
m/S
cien
ce a
nd S
ocie
ty P
ictu
re
Libr
ary
Tuesday, 25 June 13
Twitter: @timharford
Tuesday, 25 June 13