Already submitted a link to the original paper. Actually, Andrew Straw is for the last two years in Freiburg, Germany. A portion of his work was done also here,

Already submitted a link to the original paper. Actually, Andrew Straw is for the last two years in Freiburg, Germany. A portion of his work was done also here, not only in Vienna, as the article cites. https://news.ycombinator.com/item?id=15072896 https://news.ycombinator.com/item?id=15072896