Name Your Top Players in Four Decades of Innovation

Who and what has really made a difference in the last four decades of IT? To celebrate Computer Weekly's 40th anniversary, we are asking our readers to choose the people, technologies and organisations that have changed the face of IT irrevocably - hopefully for the better.

To make your choice, simply click on any of the categories below and select your top three from the list of ten names. There's also space to add your own choice if they are not on the list.

Whether it's Codd - the developer of the relational database - or chips - the invention of the microprocessor - make sure your favourites are recognised.

Who are the most influential people?

Who would you rate as the most important people of the past 40 years?

What are the most important organisations?

What are the most important IT organisations of the last 40 years?

What’s the top hardware?

What are the most important hardware technologies of the past 40 years?

What’s the top software?

What are the most important software technologies of the past 40 years?