ড. এস. এম. হাসানুজ্জামান  ১৯৪৮ সালে তদানীন্তন
<font size="2" 
face="Arial">First Economic Botanist</font>
ডিভিশনে <font size="2" face="Arial">Research 
Assistant</font> হিসেবে কর্মজীবন শুরু করেন। তাঁর
কর্মজীবনের পুরো
সময়টিই কেটেছে গবেষণা কাজে। যেখানেই সমস্যা,
সেখানেই হাসানুজ্জামান । তিনি
ছিলেন মূলত ধান গবেষক। ১৯৬২ সালে প্রমোশন দিয়ে
তাঁকে <font size="2" 
face="Arial">Pulse and Oilseed</font>
গবেষণা বিভাগে পাঠিয়ে দেয়া হয়। নতুন বিষয়ে
গবেষণা হলে তিনি দমে যাননি বা
ভয় পাননি বরং নতুন উত্‍সাহে শুরু করেছিলেন ডাল,
তৈলবীজ, গম, ভুট্টা, বার্লি,
জোয়ার, তূলা, পাট, র‌্যামী ফ্লেকস ও তামাকের উপর
যুগান্তকারী গবেষণা এবং
প্রত্যেকটি গবেষণাতে সফলতা লাভ করেছিলেন।
<p>
ড. এস. এম. হাসানুজ্জামানের চাকুরীর বিবরণ
ধারাবাহিক ভাবে তুলে ধরা হল
:</p><p>
<table border="0" width="500" id="table1">
	<tr>
		<td width="36" valign="top">
<font size="2" face="Arial">
		(a)</font></td>
		<td><font size="2" 
face="Arial">Research Assistant: 1948- 1958 
(Research on Rice Breeding). </font></td>
	</tr>
	<tr>
		<td width="36" valign="top">
<font size="2" face="Arial">
		(b)</font></td>
		<td><font size="2" 
face="Arial">Assistant Economic Botanist 
(Cereals). (As above) </font></td>
	</tr>
	<tr>
		<td width="36" valign="top">
<font size="2" face="Arial">
		(c)</font></td>
		<td><font size="2" face="Arial">
		Botanist Pulse & Oil Seed: Research on 
the improvement of pulses
and Oil 
Seed crops (1962-1964). </font></td>
	</tr>
	<tr>
		<td width="36" valign="top">
<font size="2" face="Arial">
		(d)(i)</font></td>
		<td><font size="2" face="Arial">
		Botanist (Fiber): Research on Fiber 
crops other than Jute
(1964-1969)</font></td>
	</tr>
	<tr>
		<td width="36" valign="top">
		<p align="right">
<font size="2" face="Arial">
		(ii)</font></td>
		<td><font size="2" face="Arial">
		In addition conduct research on 
Wheat, Maize & Millet
crops.</font></td>
	</tr>
	<tr>
		<td width="36" align="right" 
valign="top">
<font size="2" face="Arial">
		(iii)</font></td>
		<td><font face="Arial" color="#646363" 
style="font-size: ১১">
		Research on Tobacco. </font></td>
	</tr>
	<tr>
		<td width="36" align="right" 
valign="top">
<font size="2" face="Arial">
		(iv)</font></td>
		<td><font size="2" face="Arial">
		In addition teach Genetics and Plant 
Breeding in East Pakistan
Agriculture 
Institute (former B.A.I)</font></td>
	</tr>
	<tr>
		<td width="36" align="right" 
valign="top">
<font size="2" face="Arial">
		(v)</font></td>
		<td><font size="2" face="Arial">
		Guide to Master of Science in Agric. 
of Dhaka and East Pakistan
Agriculture 
University. </font></td>
	</tr>
	<tr>
		<td width="36" align="right" 
valign="top">
<font size="2" face="Arial">
		(vi)</font></td>
		<td><font size="2" face="Arial">
		Examiner and Question setter of B.Sc. 
Botany & Agriculture
Botany, Genetics & Plant Breeding.</font></td>
	</tr>
	<tr>
		<td width="36" valign="top">
<font size="2" face="Arial">
		(e)</font></td>
		<td><font size="2" face="Arial">
		Economic Botanist (Cereals) & Rice 
Specialist: 1969 to 1970.
Conduct 
Research on Rice improvement and set up East 
Pakistan Rice Research
Institute.
</font></td>
	</tr>
	<tr>
		<td width="36" valign="top">
<font size="2" face="Arial">
		(f)</font></td>
		<td><font size="2" face="Arial">
		1970-1978: Associate Director: East 
Pakistan Rice Research Institute
and 
		Bangladesh Rice Research Institute. 
Mainly responsible to establish the 
		Rice Research Institute. Develop 
Research programme and Supervise.
The Research Work.
</font></td>
	</tr>
	<tr>
		<td width="36" valign="top">
<font size="2" face="Arial">
		(g)</font></td>
		<td><font size="2" face="Arial">
		Director General, Bangladesh Rice 
Research Institute (1978-1984).
Developed 
the scientific manpower and research 
infrastructure which developed
the rice HYVs to make the country self-
sufficient in rice. </font></td>
	</tr>
	<tr>
		<td width="36" valign="top">
<font size="2" face="Arial">
		(h)</font></td>
		<td><font size="2" face="Arial">
		Liaison Scientist of International 
Rice Research Institute (IRRI) for 
Sub-Saharan countries of Africa (1985-1986). 
</font>
		<p> </td>
	</tr>
	<tr>
		<td valign="top" colspan="2">
<font size="2" face="Arial">
Assisted the rice growing Countries to improve 
rice research by
developing 
research infrastructure and research 
manpower.</font></td>
	</tr>
</table></p><p>
<table border="0" width="515" id="table2">
	<tr>
		<td width="37" valign="top">
<font size="2" face="Arial">
		(a)</font></td>
		<td>
<p class="MsoNormal" style="text-align:justify; 
margin-top:2;
margin-bottom:2">
<font size="2" face="Arial">Member-
Agriculture of 
the Planning Commission 
of Govt. of Bangladesh
(1987 
to 1990. </font></p>
<p class="MsoNormal" style="text-align:justify; 
margin-top:2;
margin-bottom:2">
<font size="2" face="Arial">Develop Agriculture 
Sector as a whole for 
achieving self-sufficiency
in all 
sectors of Agriculture along with acceleration 
of Agriculture export.
Strengening Research manpower on all 
Agriculture Research Institute
and provide fund.
</font>
</p></td>
	</tr>
	<tr>
		<td width="37" align="right" 
valign="top">
<font size="2" face="Arial">
(i)</font></td>
		<td><font size="2" face="Arial">In 
addition guided 26 students to get M. Sc. Agric. 
degrees from
University of 
Dhaka and Bangladesh Agricultural University 
(BAU). Helped other
research scientists to prepare thesises. 
</font></td>
	</tr>
	<tr>
		<td width="37" align="right" 
valign="top">
<font size="2" face="Arial">
		(ii)</font></td>
		<td><font size="2" face="Arial">
		Guided five student to get Ph.D. 
degrees in applied Botany, Genetics
and 
Agronomy from University of Dhaka and 
Bangladesh Agricultural (BAU).
</font></td>
	</tr>
	<tr>
		<td colspan="2"> <p>
		<font size="2" face="Arial">
		[He also attended many seminars and 
workshops of International rice 
		Commission (FAO),International Rice 
Institute, Wheat Genetic Symposium, 
		Plant Breeding workshops; Workshops 
on Wetland (IUCN), International 
		Workshop on Irrigation and Drainage 
etc.]</font></p>
		<p> </td>
	</tr>
</table></p><p>