Dionysius Lardner - Further Information

Further Information

Lardner is mentioned in Karl Marx's 'Das Capital' and was well respected as an economist. He mixed with the rich and famous. He was involved in the founding of the University of London and the first person to hold the post of Professor of Natural Philosophy and Astronomy there. He was influential in publicising Charles Babbage's Difference engine.

Whilst lecturing in America Lardner was paid by Norris Brothers, the largest firm of locomotive builders, to investigate a fatal accident in Reading, near Philadelphia, where a boiler had exploded on a newly made train. Lardner pronounced that the accident had been caused by lightning, which meant that Norris brothers were not personally liable for the accident. A committee of the Franklin Institute pointed out that there was no lightning present at that time and that the pumps had been faulty, the water indicator was ill-designed and the bridge-bands made of cast iron rather than wrought iron. The Coroner's inquest jury were persuaded by Lardner that the accident was an 'act of God' but the company were careful to design their later locomotives with wrought-iron bands.

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