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In Conversation: Picture an engineer

Andrew Sayers is the Director of the National Portrait Gallery and Professor John Richards is Dean and Director of the ANU College of Engineering and Computer Science. Over a cup of coffee at an on-campus café, they discussed which Australian engineers warranted a portrait in the Gallery and the eternal difficulty of remembering those of generations past who have contributed to the building of our nation.

John Richards: It’s a bit of a hard question in general because there are so many engineers, so in a sense where do you start and where do you stop? I think the problem I have is that we tend to think about the engineers we know in the modern era – and people like John Bradfield [the engineer largely responsible for bringing the Sydney Harbour Bridge to fruition] are interesting because they were very formative, especially in the development of a place like Sydney. But I want to talk about Alfred Traeger – inventor of the pedal radio – because that’s such a long time ago. If we are trying to think about who the engineers are that made a big impact we tend to get caught up in the current era, but we need to go back to the past too.

Andrew Sayers: Well, that’s interesting, because whenever we engage our public in any conversation about who should be in the National Portrait Gallery, inevitably people suggest names from the modern era. And it’s amazing how short the span of public awareness is. When it comes to the 19th century, these names – apart from some like Ned Kelly and Burke and Wills – all tend to be wrapped in kind of mist of historical distance.

JR: Yes. The Institution of Engineers puts out a list of the 100 most influential engineers every so often and they, of course, focus on the modern era, looking at who the current most influential engineers are. People in the past have done things that might not look nearly so important as engineering inventions as some of the modern ones, but the impact they have had on society has been enormous. That’s why I come back to Traeger because he worked with John Flynn [founder of the Royal Flying Doctor Service of Australia] when Flynn was setting up the inland medical mission and trying to get people connected. I’m not quite sure how they got together, but Traeger presumably said something along the lines ‘I can build a radio that we can use for people to communicate that won’t need any power because people will pedal a dynamo to generate the power needed to communicate.’ And that had a huge impact on how Flynn did his work and how people in the outback could communicate. But I imagine if you were to ask people now to name the 100 most influential engineers, Traeger wouldn’t even figure because that was back in the 1920s. He launched the pedal radio in 1929.

AS: But it’s also interesting because in a way that’s also a story that is linked to the general kind of diminution of Flynn as a figure in our public imagination as well. When I was primary school Flynn was ‘Flynn of the Inland’, one of the half-dozen or so people you looked at as Australian heroes, whereas now that’s different. So you do get generational shifts.

JR: You know when you think of going to broadband internet across the outback, that’s a big change in the space of seventy years – from having no communication, apart from the telegraph line from Adelaide to Darwin, to talking about broadband right across the country from satellite.

AS: Well, we may be coming back to Traeger, when local power generation becomes an issue in the future! But it is fascinating. When the National Portrait Gallery in Britain did their exhibition of British sporting heroes, they asked the public to nominate the greatest British sporting heroes of all time. It was fascinating because the three names that got the greatest number of votes were Daley Thompson, Steve Redgrave and a cricketer of the modern era. I expected figures like W.G. Grace or those bare knuckled pugilists to emerge. But they didn’t, so our perspective on these things is really very recent.
I guess the other thing about engineering that fascinates me is that there are so many difference species of engineering. It has a place in so many different areas. In some ways it’s literally nation-building, but there is also a whole range of other engineering.

JR: Do you know how that all happened? It’s really quite interesting. The word ‘engineer’ comes from people who built the engines of war – the catapults and the battering rams and things like that. The original engineers were those people who helped the medieval knights win battles.

The reason we have the term ‘civil engineering’ is because they were the first engineers who weren’t military engineers. So engineers had learnt their trade building trebuchets, battering rams, catapults and things to pour hot oil on people, and then translated that into building civil structures such as roads. I think civil engineering as a recognised branch emerged in the mid 1700s, probably around 1750 and so, you had that division between military engineering and civil engineering. Around 1850 or so, mechanical engineering separated out.
Civil engineers are the ones who build bridges and road structures. Mechanical engineers are the ones who design and build mechanical devices, such as turbines, and also look at fluid flow – you know the sorts of things you find on the Snowy Mountains Scheme for power generation.

Mechanical engineering and electrical engineering were very strongly linked for a long time, then they split in 1870 or so. So you then had the three traditional branches of civil, mechanical and electrical that existed for many years. Now there must be 20 or 30 branches. I think in the modern era we have so dissected engineering as a field that the specialisations are too much in silos, but the modern problems of society need someone who can bridge across all those silos. So the engineering program we run here, which we loosely call systems engineering, combines electrical, mechanical and materials engineering because since many problems are a combination of those.

AS: From the point of view of the portrait gallery putting together a group of people who have made a significant contribution, we are less interested in category definitions and we start with the individual. But all portrait galleries do look for these interesting crossovers in groupings, and there are lots of fields where we are looking for an interesting exemplar. When there have been discussions at the Board level, I think Bradfield’s name emerges as an exemplar of engineering, having built an icon.

JR: One with much controversy too.

AS: That’s right. Then the other, of course, is C.Y. O’Connor and the Mundaring to Kalgoorlie pipeline – that’s another great story attached to an individual. With the Bradfield painting [recently acquired by the National Portrait Gallery], I hadn’t known this portrait existed. It’s the best moment when you’re the director of a portrait gallery and somebody rings you up and says ‘we have in the family a portrait of our ancestor’. And it also happened recently with a portrait of [Sir John] Monash.

JR: Who was also an engineer, wasn’t he?

AS: That’s right. The Australian War Memorial has lots of representations of Monash, but this particular painting was the one that his family always considered to be the one that ‘got the man’. It’s a marvellous portrait, painted in 1919, such a fabulous moment – you could almost see in his face the mixture of war weariness and determination that were characteristics of the man. We haven’t put it on display yet, because we are having some conservation work done on it. But both of those pictures were in the families and now we are able to share them with the wider public.

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ANU reporter Winter 2007 cover  image

ANU Reporter 
Winter 2007