Org chart in 1854: History

When the story is: reporting lines, committee structure, project roles. Skip it in cases like: work actually flows sideways across a matrix. Daniel McCallum’s 1854 New York & Erie railroad diagram Yes if one claim is visible at a glance in Meta, Google and retail print; otherwise link to a full figure.

Yes for lab reports and poster boards if axes, units and a source line are present. Excel or Google Sheets or PowerPoint; export SVG/PDF. Do not rely on hue alone. Label directly and check greyscale. Org chart: honour parent-child placement of nodes in a tree, and switch when work actually flows sideways across a matrix.

The core mark of Org chart is parent-child placement of nodes in a tree. reporting lines, committee structure, project roles The eye compares length and position more accurately than area. PowerPoint, Excel or Google Sheets and Meta, Google and retail print share the same geometry.