<SEC-DOCUMENT>0001104659-19-021281-index.html : 20190415
<SEC-HEADER>0001104659-19-021281.hdr.sgml : 20190415
<ACCEPTANCE-DATETIME>20190415112809
ACCESSION NUMBER:		0001104659-19-021281
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		11
CONFORMED PERIOD OF REPORT:	20190613
FILED AS OF DATE:		20190415
DATE AS OF CHANGE:		20190415
EFFECTIVENESS DATE:		20190415

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TEKLA LIFE SCIENCES INVESTORS
		CENTRAL INDEX KEY:			0000884121
		IRS NUMBER:				043147016
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-06565
		FILM NUMBER:		19747949

	BUSINESS ADDRESS:	
		STREET 1:		100 FEDERAL STREET
		STREET 2:		19TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		6177728515

	MAIL ADDRESS:	
		STREET 1:		100 FEDERAL STREET
		STREET 2:		19TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	H&Q LIFE SCIENCES INVESTORS
		DATE OF NAME CHANGE:	19920929
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>a19-3008_3def14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: a19-3008_3def14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g30083bii001.gif <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g30083bii001.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g30083bii002.gif <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g30083bii002.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g30083bii003.gif <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g30083bii003.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g30083bii004.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g30083bii004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g30083bii005.gif <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g30083bii005.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g30083bii006.gif <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g30083bii006.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>j1930084_aa001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: j1930084_aa001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g30083bki001.gif <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g30083bki001.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g30083bki002.gif <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g30083bki002.gif
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g30083cci001.gif <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g30083cci001.gif
</DOCUMENT> </SEC-DOCUMENT>