Hayden Schiff

OpenHistoricalMap is a project that seeks to create the world's most out-of-date map: it chronicles historical data to allow you to slide the timeline to any point in history. I've been working on documenting the history of Cincinnati, using old maps, images, and other sources to chronicle hundreds of buildings, streets, and other features. To enable this work, I've georectified hundreds of old sheets from Sanborn insurance maps (which can be viewed via oldinsurancemaps.net) as well as other historic maps (via Map Warper).

OpenStreetMap is a free and open world map that anyone can use and edit. I've worked on adding fine details to the Cincinnati area, such as house numbers, points of interest, and 3D building data. I've also put a lot of work into adding land use and land cover (such as forests) throughout southern Ohio, particularly in Clermont, Ross, Highland, and Pike counties.

SportsArchive is a website I created to archive old documents and headshots related to professional sports. As a big fan of FC Cincinnati, I noticed that old Major League Soccer documents from just a few years ago would often be impossible to find, and I wanted to help prevent the loss of history. I planned out and designed the website, then coded it from scratch using Symfony and PHP. I also gathered and organized all the content on the site.

Wikidata is a free knowledge base that catalogs structured data about all things that have a Wikipedia article, and many more things that don't. My focuses have been on our data for sports and computer hardware. I've had over 50 property proposals approved by the community, improving our ability to model the world. I've made over 250,000 edits, including over 120,000 new item creations. I've also programmed scrapers, import scripts, and other tools to improve our ability to work with the massive dataset.

My interest in Wikipedia led me to contribute to Wikimedia Commons, an open repository of free media files. Photographs I shot are used over 600 times on English Wikipedia and over 3,000 times across all Wikimedia projects. I've also put a lot of work into organizing and curating the collection, seeking out freely-licensed media and obtaining public domain images by using obscure parts of copyright law. Overall I have over 200,000 edits on Wikimedia Commons.

I made my first edit to Wikipedia in 2006, and have been fairly active since 2009. My contributions include >25,000 edits on English Wikipedia (and >400,000 across all Wikimedia projects). I wrote the article Game of Change, which has been recognized as a Good Article.