Carl von Linde
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external autonumber" href="http://www.gettyimages.co.uk/detail/news-photo/portrait-of-the-german-engineer-and-industrialist-karl-paul-news-photo/141553125">[1]</a> <a rel="nofollow" class="external autonumber" href="http://www.linde-engineering.com/en/news_and_media/image_library/index.html?imageLibraryCategory=Historical+Linde+AG">[2]</a>