# Johannes Engelfriet

> Dutch mathematician (1908–1981)

**Wikidata**: [Q2684169](https://www.wikidata.org/wiki/Q2684169)  
**Source**: https://4ort.xyz/entity/johannes-engelfriet

## Summary
Johannes Engelfriet was a Dutch mathematician who served as a university teacher at the University of Amsterdam from 1948 to 1978. He held positions as professor by special appointment and later extraordinary professor in the Faculty of Mathematics and Physics, contributing to mathematical education in the Netherlands during the mid-20th century.

## Biography
- Born: January 27, 1908, in Nijmegen, Netherlands
- Nationality: Kingdom of the Netherlands
- Education: Studied at Leiden University, with Willem van der Woude as doctoral advisor
- Known for: His work as a mathematician and university teacher
- Employer(s): University of Amsterdam (1948-1978, as professor by special appointment and later extraordinary professor)
- Field(s): Mathematics

## Contributions
Johannes Engelfriet's professional career was dedicated to mathematics education as a university teacher at the University of Amsterdam. He served for three decades beginning in 1948 as professor by special appointment in the Faculty of Mathematics and Physics, later becoming extraordinary professor in 1964. Engelfriet worked during a transformative period for Dutch higher education following World War II, contributing to the mathematical academic environment at one of the Netherlands' leading universities. His career spanned from the immediate post-war era to the late 1970s, representing a significant contribution to mathematical education in the Netherlands during this time.

## FAQs
### Q: When and where was Johannes Engelfriet born?
A: Johannes Engelfriet was born on January 27, 1908, in Nijmegen, Netherlands.

### Q: What positions did Johannes Engelfriet hold at the University of Amsterdam?
A: Johannes Engelfriet served as professor by special appointment in the Faculty of Mathematics and Physics from 1948 to 1964, then as Dutch extraordinary professor in the same faculty until 1978, when he became emeritus professor.

### Q: Where did Johannes Engelfriet receive his education?
A: Johannes Engelfriet studied at Leiden University, where Willem van der Woude was his doctoral advisor.

### Q: What was Johannes Engelfriet's nationality?
A: Johannes Engelfriet held citizenship in the Kingdom of the Netherlands.

## Why They Matter
Johannes Engelfriet mattered as an educator who contributed to the mathematical tradition at the University of Amsterdam during a critical period in Dutch higher education. His thirty-year career helped maintain academic excellence in mathematics education while the field was evolving internationally. By serving both as professor by special appointment and extraordinary professor, Engelfriet played a role in shaping mathematical instruction and research in the Netherlands during the mid-20th century.

## Notable For
- Served as professor by special appointment (1948-1964) and later extraordinary professor (1964-1978) at the University of Amsterdam
- Educated at Leiden University under doctoral advisor Willem van der Woude
- Associated with the Faculty of Mathematics and Physics at the University of Amsterdam throughout his career
- Maintained academic status as emeritus professor after 1978 until his death in 1981
- Listed in the Mathematics Genealogy Project (ID: 99614) and zbmath author database

## Body
### Early Life and Education
Johannes Engelfriet was born on January 27, 1908, in Nijmegen, Netherlands. He was a citizen of the Kingdom of the Netherlands and pursued his higher education at Leiden University, where Willem van der Woude served as his doctoral advisor. His academic path led to a career in mathematics and university teaching.

### Academic Career
Engelfriet joined the University of Amsterdam in 1948 as professor by special appointment in the Faculty of Mathematics and Physics. This position lasted until 1964 when he was appointed as Dutch extraordinary professor in the same faculty. He continued in this role until his retirement in 1978. Following retirement, he was granted emeritus status, maintaining his academic connection until his death on August 1, 1981.

### Professional Identity
Throughout his career, Engelfriet was identified as a mathematician, computer scientist, and university teacher. His professional identity is documented in various academic databases, including the Mathematics Genealogy Project (ID: 99614) and zbmath (author ID: engelfriet.johannes). It is important to note that he is distinct from Joeri Engelfriet. Engelfriet's work was recognized within the academic community, particularly in mathematics education in the Netherlands.

## References

1. Album Academicum
2. Mathematics Genealogy Project