BergerLGden

Career

Collecting localities

Collections

Literature

Biographical data

Berger, Louis Guillaume den

(Source: Flora Malesiana ser. 1, 1: Cyclopaedia of collectors)

Born: 1881, Batavia, Java. Died: 1945, Nijmegen, Gld, Holland.

career:

Chemical engineer, educated at the Technical College, Delft, Holland, where he took his degree in 1915; in 1905 appointed Assistant at the Experiment Station for Rice etc. at Buitenzorg; in 1917 placed at the disposal of the Director of the Forest Research Institute there, in 1918 wood-technologist, and in 1925 Chief of the division Technology of the same institution;¹ in 1928 appointed Director of the General Experiment Station for Agriculture (Buitenzorg), holding this post until his retirement in 1931.

Agrostophyllum denbergeri J.J.Sm. was named after him.

Collecting localities:

1916. Centr. Java: Selo (Oct. 30), G. Merapi.²-1917. Centr. Java: teak forest at Balapoelang (Tegal) and Padoeraksa (resp. Apr. 13 and 15) ; teak forest Krandang (Oct.) ; W. Java: Maroenda; Tandjong Priok (Nov. 12); G. Karang and Klappanoengal (Dec. 23).-1918. Centr. Java: Noesa Kambangan (Febr. 7-9); W. Java: G. Tjibodas, Tjampea (Aug. 3-4); E. Java: N. slope G. Wilis (Aug.); W. Java: Geger Bintang and Tjibeureum (Gedeh) (Sept.); Centr. Java: Soebah (Oct.); G. Slamat (Nov.); G. Linggapada (Margasari) (Nov. 2); Pekalongan; E. Java: Madioen and Kediri.-Besoeki (19..).-1919. W. Java: G. Malabar and Tjinjiroean (Aug. 27-Sept. 1).-E. Java: Kediri (1920); W. Java: Meeuwen Isl. (May 21, 1921); W. Borneo: Sambas (c. 1924); SE. Borneo (1925-26).³

collections:

Herb. Bog. [BO]: > 782 nos (Java +4 nos Noesa Kambangan). He collected a hundred plants from the teak forests for Beumée (see there), numbered in the latter’s series (2921-2976) and besides bearing private numbers, viz 395-496. In Herb. For. Res. Inst. Buitenzorg [BZF]: from Java (1917-18) and Borneo (1924-26).

literature:

(1) He is the author of: ‘Houtsoorten der cultuurgebieden van Java en Sumatra’s Oostkust’ (Meded. Proefstat. Boschw. no 13, 1926 + atlas).
(2) Dr L.G. den Berger: ‘Een uitstapje naar de Vorstenlandsche vulkanen’ (Trop. Nat. 6, 1917, p. 100-105, 117-123, 129-134, 9 fig.).
(3) Typed report on a trip in SE. Borneo (Oct.- Nov. 1925) in For. Res. Inst. Buitenzorg.

biographical data:

Tectona 24, 1931, p. 937-938; Landbouw 7, 1931/32, p. 157-159; Backer, Verkl. Woordenb., 1936.

	Career Collecting localities Collections Literature Biographical data
	Berger, Louis Guillaume den
	(Source: Flora Malesiana ser. 1, 1: Cyclopaedia of collectors)
	Born: 1881, Batavia, Java. Died: 1945, Nijmegen, Gld, Holland.
	career: Chemical engineer, educated at the Technical College, Delft, Holland, where he took his degree in 1915; in 1905 appointed Assistant at the Experiment Station for Rice etc. at Buitenzorg; in 1917 placed at the disposal of the Director of the Forest Research Institute there, in 1918 wood-technologist, and in 1925 Chief of the division Technology of the same institution;¹ in 1928 appointed Director of the General Experiment Station for Agriculture (Buitenzorg), holding this post until his retirement in 1931. Agrostophyllum denbergeri J.J.Sm. was named after him.
	Collecting localities: 1916. Centr. Java: Selo (Oct. 30), G. Merapi.²-1917. Centr. Java: teak forest at Balapoelang (Tegal) and Padoeraksa (resp. Apr. 13 and 15) ; teak forest Krandang (Oct.) ; W. Java: Maroenda; Tandjong Priok (Nov. 12); G. Karang and Klappanoengal (Dec. 23).-1918. Centr. Java: Noesa Kambangan (Febr. 7-9); W. Java: G. Tjibodas, Tjampea (Aug. 3-4); E. Java: N. slope G. Wilis (Aug.); W. Java: Geger Bintang and Tjibeureum (Gedeh) (Sept.); Centr. Java: Soebah (Oct.); G. Slamat (Nov.); G. Linggapada (Margasari) (Nov. 2); Pekalongan; E. Java: Madioen and Kediri.-Besoeki (19..).-1919. W. Java: G. Malabar and Tjinjiroean (Aug. 27-Sept. 1).-E. Java: Kediri (1920); W. Java: Meeuwen Isl. (May 21, 1921); W. Borneo: Sambas (c. 1924); SE. Borneo (1925-26).³
	collections: Herb. Bog. [BO]: > 782 nos (Java +4 nos Noesa Kambangan). He collected a hundred plants from the teak forests for Beumée (see there), numbered in the latter’s series (2921-2976) and besides bearing private numbers, viz 395-496. In Herb. For. Res. Inst. Buitenzorg [BZF]: from Java (1917-18) and Borneo (1924-26).
	literature: (1) He is the author of: ‘Houtsoorten der cultuurgebieden van Java en Sumatra’s Oostkust’ (Meded. Proefstat. Boschw. no 13, 1926 + atlas). (2) Dr L.G. den Berger: ‘Een uitstapje naar de Vorstenlandsche vulkanen’ (Trop. Nat. 6, 1917, p. 100-105, 117-123, 129-134, 9 fig.). (3) Typed report on a trip in SE. Borneo (Oct.- Nov. 1925) in For. Res. Inst. Buitenzorg.
	biographical data: Tectona 24, 1931, p. 937-938; Landbouw 7, 1931/32, p. 157-159; Backer, Verkl. Woordenb., 1936.