> [!cite] BHL link: this entry starts at [page 166](https://www.biodiversitylibrary.org/page/33259212) of TL-2 Suppl. V > Author links: [IPNI](https://www.ipni.org/a/17892-1) LSID 17892-1, [Wikidata](https://www.wikidata.org/wiki/Q21510134) QID Q21510134 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Dekker, Johannes (1879-x), Dutch pharmacist, born 6 Jun 1879, educated at Haarlem, studied first at Leiden University, later at Utrecht University, Dr. degree 1902 at Bern with Wilhelm Oswald Alexander Tschirsch (1856-1939), military dispenser in Dutch East Indies 1902-1910, director of the division Commercial Museum of the Colonial Museum at Haarlem (Netherlands) 1910-1916, scientific advisor of the firm of Jurgens 1916-1922, municipal chemist at Rotterdam 1922-1925, from 1929 pharmaceutical chemist Middelburg. **Abbreviated name**: *Dekker* \[standard form in IPNI: *Dekker*\] #### Herbarium and types [[Collection L|L]] (coll. 1904 by R.M. Pringgo Atmodjo). #### Bibliography and biography Barnhart 1: 435; IH 2: 157; Kew 2: 47; SK 1: 131 (main source used by us); Tucker 1: 530. #### Biofile - Anon., Hedwigia 50(3)(Beibl.): (143). 12 Oct 1910 (appt. director Koloniaal Museum); Bot. Centralbl. 114(33): 176. 16 Aug 1910 (id.); Allg. Bot. Z. 16: 144. 15 Sep 1910 (id.); ÖBZ 60: 407. 1 Oct 1910 (id.). #### Composite works *Onze Koloniale Landbouw*. Onder redactie von J. Dekker. Serie I: Rietsuikerindustrie op Java; Boschbedrijf; Kinacultuur; Caoutchouc; Rijst; Theecultuur. Haarlem 1914, 667 p. (Nat. Nov. (Oct) 1914). More parts exist bound in a second series (1922). *Copies*: KIT. ### Publications ##### n.29.583. Bestandteile **Title** Ueber einige *Bestandteile* des *Cacao* und ihre Bestimmung. Inaugural-Dissertation der hohen philosophischen Facultät der Universität Bern zur Erlangung der Doktorwürde vorgelegt... Amsterdam (Druck von J.H. de Bussy) \[1902\]. Oct. **Abbreviated title**: *Bestandteile Cacao*. **Notes** *Publ*.: 1902 (no exact date given), cover-t.p., p. \[i-ix\], \[1\]-81, \[82, vita\]. *Copy*: G. ##### n.29.584. looistoffen **Title** De *looistoffen*. Botanisch-chemische monographie der tanniden. Bewerkt in het Laboratorium van het Koloniaal Museum. I (Bibliographie, Botanie, Physiologie)... Amsterdam (Uitgave van het Museum; Druk van J.H. de Bussy) 1906-1908. Oct. **Notes** *Publ*.: *1*: Dec 1906 (date on p. \[i\], Nat. Nov. Feb (1) 1907), p. \[i\]-vi, \[7\]-220, \[221\], \[223\]. *Copies*: BR, KIT, L, U. – Issued as Bull. Kol. Mus. Haarlem no. 35. *2*: (*Chemie, Analyse, Economie*) Apr 1908 (date on p. \[1\]), p. \[1\]-241. *Copies*: B, BR, KIT, L, U. – Issued as id. no. 39. *Note*: (1) The copy KIT has introductory pages \[i\*-iv\*\], bound with parts I and II. (dated 15 Jul 1908 on p. \[iv\*\]. - (2) A german translation: *Die Gerbstoffe*. Botanisch-chemische Monographie der Tanniden ... Berlin (Gebrüder Borntraeger) 1913. Oct. exists, p. \[1\]-636, see ÖBZ, 1 Feb 1914. *Copy*: L.