• Home
• Games
  • Lottery Quick Pick
  • Keno Quick Pick
  • Coin Flipper
  • Dice Roller
  • Playing Card Shuffler
  • Birdie Fund Generator
• Numbers
  • Integers
  • Sequences
  • Integer Sets
  • Gaussian Numbers
  • Decimal Fractions
  • Raw Bytes
• Lists & More
  • List Randomizer
  • Strings
  • Passwords
  • Clock Times
  • Calendar Dates
  • Geographic Coordinates
  • Bitmaps
  • Hex Color Codes
  • Pregenerated Files
  • Jazz Scales
  • Pure White Audio Noise
  • Samuel Beckett
• Drawings
  • How to Pick a Winner (FREE)
  • Third-Party Draw Service
  • Step by Step Guide
  • Step by Step Video
  • Price Calculator
  • Public Records
  • Terms and Conditions
  • Drawing FAQ
• Web Tools
  • Widgets for Your Pages
  • API for Automated Clients
  • Old API for Automated Clients
  • Old Guidelines for Automated Clients
  • Banned Hosts
• Statistics
  • Real-Time Statistics
  • Graph Browser
  • Testing Random Numbers
  • Total Bit Tally
  • Your Quota
• Testimonials
  • Lotteries and Drawings
  • Games and Gambling
  • Random Sampling
  • Simulation and Modelling
  • Security
  • The Arts
  • Miscellaneous
• Learn More
  • About & Contact
  • Terms and Conditions
  • FAQ
  • Introduction to Randomness
  • History of RANDOM.ORG
  • Acknowledgements
  • Media and Scientific Citations
  • Newsletter
  • Quotations about Randomness
  • What's New!
• Login

True Random Number Service

Advisory: We only operate services from the RANDOM.ORG domain. Other sites that claim to be operated by us are impostors. If in doubt, contact us.

Prof. Mads Haahr

Hello. My name is Mads. I'm a university professor who likes to build things. At the moment, I'm turning RANDOM.ORG into a business.

Contact Details

Prof. Mads Haahr
School of Computer Science and Statistics
Trinity College
Dublin 2
Ireland

Email:	haahrm@tcd.ie ← best option for university-related matters
	mads@random.org ← best option for RANDOM.ORG-related matters

Academic Affiliation

I'm an Associate Professor in the School of Computer Science and Statistics at Trinity College, Dublin in Ireland.

I am a member of the IEEE, the ACM and the ICS.

I was on sabbatical for the academic year 2008/09 and spent the time at Georgia Tech in the United States.

Please see my university home page for details about my publications, courses and other academic things.

Miscellaneous

• Life Philosophy: Multiplicity
• Travel Photography: Tokyo, Kyoto and Nara in Japan; and Rajasthan in India
• Favourite Authors: Paul Auster, Haruki Murakami, Jonathan Carroll and Harlan Ellison