Dempsey's spy series "Pulsar" (co-written with Robin Moore), contains the books The London Connection and The Italian Connection.
Working with Dale Frail, Wolszczan carried out astronomical observations from the Arecibo Observatory in Puerto Rico which led them to the discovery of the pulsar PSR B1257+12 in 1990.
His later work included co-authoring two papers in the Astrophysical Journal regarding pulsars, and he also presented a paper on Gamma Bursters.
The Crab Pulsar was the first pulsar for which the spin-down limit was broken using several months of data of the LIGO observatory.
However, the pulsar is spinning at a quarter of the speed of light at the equator, and its radius is only three times more than its Schwarzschild radius.
The Pulsar for Australia was assembled in Clayton, Victoria; however, for the Astra the body panels were pressed at Holden's Elizabeth, South Australia facility.
In 2001 the PLMS Pulsar, soon afterwards acquired by Dräger as their Polytron Pulsar, was the first detector to incorporate sensing to monitor the mutual alignment of the transmitter and receiver during both installation and routine operation.
His pedals were an MXR Distortion +, Electro-Harmonix Big Muff, Electro-Harmonix Pulsar and, at least for a while, he could be seen using a T-Rex Dr. Swamp twin distortion pedal.
Science fiction writer Arthur C. Clarke offhandedly speculated, in his television series Mysterious World, that this pulsar was the Star of Bethlehem.