BRACERS Record Detail for 80643
To access the original letter, email the Russell Archives.
Collection code
RA1
Class no.
710
Document no.
056487
Box no.
5.47
Recipient(s)
BR
Sender(s)
Spencer-Brown, David (aka)
Spencer-Brown, George
Date
1962/01/03*
Form of letter
ALS
Pieces
2
Notes and topics
Spencer-Brown refers to solving the four-colour theorem with his brother.
Record no.
80643
Record created
Jul 21, 2009
Record last modified
Apr 04, 2016
Created/last modified by
duncana