EDIT

        scrolledComposite.setMinSize(table.computeSize(SWT.DEFAULT, SWT.DEFAULT));

        list.setContentProvider(new ArrayContentProvider());

        list.setLabelProvider(new SpecimenListLabelProvider());

        //gather specimens

        if(matrix.getSpecimenCache()==null){

            loadSpecimens();

        }

        columnSpecimen.getColumn().pack();

        return composite;