Thomas Robertson Sim

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**Thomas Robertson Sim** (25 June 1858 na Northfield, Aberdeen, Scotland - 23 July 1938 na Durban, Natal) bụ onye na-ahụ maka ihe ọkụkụ, onye na-amụ banyere ihe ọkụkụ na onye na-elekọta ọhịa na Natal, nke a maara nke ọma maka nnukwu ọrụ ya The Forests and Forest Flora of the Colony of the Cape of Good Hope nke pụtara na 1907. Ọ bụ nwa mbụ n'ime ụmụ ise nke John Sim (1824-1901), onye a ma ama na-amụ banyere mmiri na Isabella Thomson Robertson (1823-). 

## Agụmakwụkwọ na ọrụ
Ọ gara ụlọ akwụkwọ grammar Old Aberdeen ruo afọ 1873, e wee nye ya nkuzi pụrụ iche na Marischal College, Mahadum Aberdeen na afọ 1874. N'otu afọ ahụ, ọ rụrụ ọrụ dị ka onye na-amụ ọrụ ubi n'ubi Royal Horticultural Society dị na Chiswick.. In 1878 he was appointed to the Royal Botanic Gardens at Kew where he received a training in botany under Sir Joseph Dalton Hooker. In 1879 he worked for a year in the Harvard University botanic gardens in Cambridge, Massachusetts. Here he was influenced by Asa Gray and George Lincoln Goodale. Subsequently, he worked for a year in the garden of Colonel Peabody of Milton, Massachusetts. Returning to Scotland in 1881, he assisted his father on the farm at Inchmark from 1884–1888. &#x5B;**&#x5D;

N'afọ 1889, ọ malitere ọrụ dị ka onye nlekọta nke ogige botanical nke King William's Town. Na Septemba 1894 ọ ghọrọ onye na-ahụ maka ọhịa na Ngalaba Ọhịa Cape wee malite ọrụ na Fort Cunynghame Plantation dị nso na Döhne. N'ime ọnwa ole na ole, e buliri ya n'ọkwa Superintendent of Plantations na Eastern Conservancy, na 1898 ka ọ bụrụ District Forest Officer nwere isi ụlọ ọrụ na King William's Town.

N'afọ 1902, o hiwere ngalaba ọhịa na Natal, wee bụrụ onye mbụ na-ahụ maka nchekwa ọhịa na 1903, isi ụlọ ọrụ ya dị na Pietermaritzburg. N'afọ 1907, ọ gara London dịka onye nnọchiteanya nke ihe ngosi ngwaahịa South Africa. N'afọ 1908, a gwara ya ka ọ gaa leta Pọtugal East Africa, o mechara dee akụkọ gbasara ojiji ọhịa, nke pụtara dị ka Forest Flora na Forest Resources of Portuguese East Africa, nke e sere nke ọma site na eserese ahịrị nke ya.

N'afọ 1908, ọ banyere n'ụwa azụmahịa site n'ịmepụta ụlọ akwụkwọ ọta akara na Pietermaritzburg, ma na-enye ndụmọdụ maka ịkụ osisi na nnukwu ọhịa, na-abanye n'ime ụlọ ọrụ osisi na ụlọ ọrụ na-eto eto, ịbụ onye guzobere Wattle Growers' Association na Cedara College of Agriculture.

A họpụtara ya F.L.S., F.R.H.S. na F.R'S.Afr. na 1919 natara D.Sc. nsọpụrụ. site na Mahadum nke South Africa. Ọ bụkwa onye na-akwado S.Afr mgbe niile. Ihe omuma. maka Adv. nke Sayensị, na-enye aka mgbe niile na akwụkwọ akụkọ ha. Mgbe ọ gara otu n'ime nzukọ ha na Rhodesia na 1920, ọ rịara ọrịa strok nke mere ka ọ kpọnwụọ, mana n'agbanyeghị nkwarụ ahụ, ọ gara n'ihu n'ọrụ ya. Ọ hapụrụ azụmahịa ya niile ma tinye oge ya niile n'ịmecha *opus magnum* ya, ọmụmụ zuru oke nke osisi na Southern Africa ruo na Osimiri Zambesi na Cunene. Ọnwụ batara ma ka na-edebe ihe odide ahụ a na-arụchabeghị na National Botanical Research Institute na Pretoria, nke nwekwara ọbá akwụkwọ ya.

A na-echeta Sim na *Simia*, ụdị liverworts na ọtụtụ aha a kapịrị ọnụ.

Thomas Robertson Sim ekwesịghị inwe mgbagwoju anya na onye agronomist James Taylor Robertson Sim (1903-1968), onye bụ nwa nwanne TR Sim, James Sim, onye bụkwa onye ọrụ ọhịa ruo ọtụtụ afọ.

A na-eji mkpirisi nke onye edemede Sim egosi onye ọkà mmụta ihe ọkụkụ a mgbe ọ na-ezo aka na aha ihe ọkụkụ.

## Akwụkwọ ndị e bipụtara

* *Akwụkwọ ntuziaka nke Ferns nke Kaffraria* (Aberdeen 1891) 
* Ferns nke South Africa (Cape Town 1892) 
* *Ihe osise na Ndepụta nke Flora nke Kaffraria* (Cape Town 1894) 
* *Nnyocha Botanical na Oké ọhịa nke Eastern Pondoland*
* Ihe ọmụma na-adịbeghị anya gbasara Ferns nke South Africa na nkesa ha (1906) 
* Oké ọhịa na osisi nke Colony nke Cape of Good Hope (Taylor & Henderson, Aberdeen 1907) 
* Ọhịa Flora na Ọhịa Resources nke Portuguese East Africa (Aberdeen 1909) 
* The Ferns of South Africa (mbipụta nke abụọ) (Cambridge 1915) 
* *Akwụkwọ ntuziaka nke Bryophyta nke South Africa* (1916) 
* Osisi na ahịhịa na-agbasa okooko maka iji na South Africa (Dept of Mines & Industries Mem No.3 Pretoria 1921) 
* *Bryophyta nke South Africa* (Trans. Roy. Soc. S.Afr. 1926) 
* *Ịkụ osisi na South Africa* (Pietermaritzburg 1927) 
* *Ịkụ osisi na Natal*

## Ebe e si nweta ya

* *Nnyocha Botanical nke Southern Africa* Mary Gunn & LE Codd (Balkema 1981)