BIOWHITTAKER INC

Q: Jul 31 1997

Q: Apr 30 1997

FY: Oct 31 1996

Q: Jan 31 1997

FY: Oct 31 1996

Q: Sep 13 1996

Q: Jul 18 1996

Q: Jun 14 1996

Certification of termination of registration of a class of securities (Section 12(b))

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Definitive Proxy Statement

PIONEERING MANAGEMENT CORP /ADV

SCHLOSS MARCUS & CO INC

GABELLI FUNDS INC ET AL

CAMBREX CORP

GABELLI FUNDS INC ET AL

ALIBRANDI JOSEPH F

BIOWHITTAKER INC

SCHLOSS MARCUS & CO INC

CAMBREX CORP

SCHLOSS MARCUS & CO INC

ANASCO GMBH

ANASCO GMBH

PIONEERING MANAGEMENT CORP /ADV

PIONEERING MANAGEMENT CORP /ADV