How it works
Three pieces
Spatiotemporal nodes
Each person is a point in space and time, such as birthplace latitude/longitude and birth/death years, pulled from Wikidata.
Interpersonal edges
People link through real relationships: influenced-by, teacher/student, doctoral lineage, family, spouse, partner.
A* search
A heuristic search walks the graph from start to end, guided by spatial and temporal distance, and returns the chain it finds.