Add to ORKGOn January 30th, 1976 Dr. Maas Geesteranus, Senior Mycologist, left the Mycological Department of the Rijksherbarium, Leiden, at the mandatory retirement age of sixty-five. This provides us with an occasion for outlining his career and commemorating his scientific achievements. Rudolf Arnold Maas Geesteranus was born on January 20th, 1911, at the Hague. Before he was a year old the family went to the erstwhile Dutch East Indies and he remained there until 1929. As a growing boy he was deeply impressed by the richness and variety of nature in the tropics
On April 2nd of this year Dr P. Jansen, agrostologist and honorary member of the staff of the Rijksh...
On 28 September 1982 Dr. S.J. van Ooststroom died at the age of 76. He retired in 1971 from his offi...
With the death on 24 September 1986 of Drs. H.S.C. Huijsman the Dutch mycologists lost one of their ...
On 18 May 2003 Rudolf Maas Geesteranus died peacefully at the age of 92. With him the mycological wo...
This special issue of Persoonia is dedicated to Dr. R. A. Maas Geesteranus who celebrated his 80th b...
On 11 September 1976 dr. Reinier Cornelis Bakhuizen van den Brink will reach the age of 65 and so he...
On 13 December 1990 Prof. Dr. Cornelis (Kees) Kalkman retired from the positions of Professor of Pla...
In January 1971 Dr. Simon Jan van Ooststroom, senior botanist of the Rijksherbarium, retired on reac...
On 2 September 1992 Rob Geesink died a week before he would have reached the age of 47. He had been ...
BAAS, PIETER (28 April 1944, Wieringermeer, The Netherlands – *) Dr. Baas was appointed retroactive ...
With the death of Dr. M. A. Donk on 2 September 1972 the mycological world has lost one of its great...
Full recognition of the value of Dr. Reijnders ' research came when Dr. R. Singer invited him t...
The 3rd of January 1969, Johannes Hendrikus Kern, principal scientific officer of the Rijksherbarium...
With the death of Andre (‘Dok’) Kostermans, at the age of 88, a truly extraordinary personality has ...
Dr J. Hutchinson retired after 44 years of service in the Royal Botanic Gardens at Kew (May 31, 1948...
On April 2nd of this year Dr P. Jansen, agrostologist and honorary member of the staff of the Rijksh...
On 28 September 1982 Dr. S.J. van Ooststroom died at the age of 76. He retired in 1971 from his offi...
With the death on 24 September 1986 of Drs. H.S.C. Huijsman the Dutch mycologists lost one of their ...
On 18 May 2003 Rudolf Maas Geesteranus died peacefully at the age of 92. With him the mycological wo...
This special issue of Persoonia is dedicated to Dr. R. A. Maas Geesteranus who celebrated his 80th b...
On 11 September 1976 dr. Reinier Cornelis Bakhuizen van den Brink will reach the age of 65 and so he...
On 13 December 1990 Prof. Dr. Cornelis (Kees) Kalkman retired from the positions of Professor of Pla...
In January 1971 Dr. Simon Jan van Ooststroom, senior botanist of the Rijksherbarium, retired on reac...
On 2 September 1992 Rob Geesink died a week before he would have reached the age of 47. He had been ...
BAAS, PIETER (28 April 1944, Wieringermeer, The Netherlands – *) Dr. Baas was appointed retroactive ...
With the death of Dr. M. A. Donk on 2 September 1972 the mycological world has lost one of its great...
Full recognition of the value of Dr. Reijnders ' research came when Dr. R. Singer invited him t...
The 3rd of January 1969, Johannes Hendrikus Kern, principal scientific officer of the Rijksherbarium...
With the death of Andre (‘Dok’) Kostermans, at the age of 88, a truly extraordinary personality has ...
Dr J. Hutchinson retired after 44 years of service in the Royal Botanic Gardens at Kew (May 31, 1948...
On April 2nd of this year Dr P. Jansen, agrostologist and honorary member of the staff of the Rijksh...
On 28 September 1982 Dr. S.J. van Ooststroom died at the age of 76. He retired in 1971 from his offi...
With the death on 24 September 1986 of Drs. H.S.C. Huijsman the Dutch mycologists lost one of their ...