A strict sense
The dominant philosophical movement in Germany from roughly 1870 until the First World War. (SEP)
graph TD
K[Kuno Fischer] --> F[Gottlob Frege]
F --> C[Rudolf Carnap]
R[Heinrich Rickert] --> B[Bruno Bauch]
B --> C
W[Wm Windelband]
R --> H[Martin Heidegger]
HC[Hermann Cohen] --> EC[Ernst Cassirer]
N[Paul Natorp] --> EC
A weaker sense
Rorty uses the term neokantian to assimilate all philosophers who share Kant’s attitude of the Relation of philosophy to other disciplines.