This is the second in a blog series about why we need to move towards Open Research. The first post about the mis-measurement problem considered issues with assessment. We now turn our attention to problems with authorship. Note that as before this is a topic of research in itself – and there is a rich vein of literature to be mined here for the interested observer. Hyperauthorship In May last year a high energy physics paper was published with over 5,000 authors. Of the 33 pages in this article, the paper occupied nine with the remainder listing the authors. This paper caused something of a storm of protest about ‘hyperauthorship’ (a term coined in 2001 by Blaise Cronin).…