Sentence:  By combining the talents of a medical man , Dr. Aterman , a biophysicist , Mr. Berkely , and an <WSD>electronics</WSD> expert , Dr. Zworykin , this novel technique has been developed which promises to open broad avenues to understanding life processes . 
Meaning of the word marked with <WSD> tags:  the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices