29
/es/
es
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
102518
9321
2
Crear
Public Timelines
Biblioteca
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
23 jun 1955 año - |1955| Attends first-ever Creative Problem Solving Institute(CPSI), where he meets Alex Osborn.
Añadido al timeline:
3 oct 2017
0
0
474
Sidney Parnes
fecha:
23 jun 1955 año
Ahora mismo
~ 68 years ago