# Problems with schoolgirls

- Institution: Gresham College
- Speaker: Professor Robin Wilson
- Year: 2006
- Level: For everyone
- Language: English
- Subjects: Mathematics
- Source: [Gresham College](https://www.gresham.ac.uk/watch-now/problems-schoolgirls)
- Licence: [Educational use (Gresham College's terms)](https://www.gresham.ac.uk/terms-and-conditions)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

Block designs are used in agriculture in connection with the planting of wheat. But earlier they arose in the so-called 'schoolgirls problem'. What are block designs, what is the schoolgirls problem, and what is their connection with geometry and music?

## Lectures

1. [Problems with schoolgirls](https://invisiblenetwork.ai/learn/gresham/problems-schoolgirls/fce8282c3af7) (YouTube)