Douglas Trumbull’s official website offers the visitors an glimpse into the work of one of Hollywoods masters of special effects, he did some truly wonderful work in Blade Runner (David Dryer did however complete his work since Trumbull left to do Brain Storm) but you can now find a whole bunch of amazing images and videos in which Douglas talks about some of his wonderful work in Blade Runner.
You can find the videos on his website here and the images here
Source: Propsummit.com