Pieter Anton Lodewijk van Ogtrop (1835-1903).
- Profession: Stock broker.
- Relation to Mahler: Chairman of the board of the Amsterdam Royal Concertgebouw 1888-1903.
- Correspondence with Mahler:
- Born: 25-08-1835 Amsterdam.
- Married: 22-05-1861.
- Address Office: Singel 464, Amsterdam. (built 1886)
- Died: 04-04-1903 Amsterdam. Aged 67.
- Buried: 00-00-0000
Also: Piet van Ogtrop, Petrus Antonius Ludovicus van Ogtrop.
See also his son: Henricus Joannes van Ogtrop (1866-1914).
- Firm: H.J. van Ogtrop & Son.
- Conductor of the chorus of the Moses and Aaron Church in Amsterdam.
- Asked Willem Mengelberg (1871-1951) from his deathbed to agree with a new regulation.