The son of an SNCF employee, he is a graduate of the École Normale Supérieure (ENS), and was a teacher of German at the Lycée Lakanal in Sceaux between 1959 and 1966. A classmate of Emmanuel Le Roy Ladurie (at ENS), Juquin joined the French Communist Party (PCF), and was a candidate in the municipal elections of 1959 as well as a regional leader for the PCF in Seine.
The son of an SNCF employee, he is a graduate of the École Normale Supérieure (ENS), and was a teacher of German at the Lycée Lakanal in Sceaux between 1959 and 1966. A classmate of Emmanuel Le Roy Ladurie (at ENS), Juquin joined the French Communist Party (PCF), and was a candidate in the municipal elections of 1959 as well as a regional leader for the PCF in Seine.