EnglishWalter Isaacson is on Twitter (X) as @WalterIsaacson, with 521,915 followers and 7,639 posts. A typical post draws 148 interactions, an engagement rate of 0.029% per follower. It has been on X since April 2009, an account age of 17 years.
Insights
Its strongest tracked day added +537 followers on Jun 24, 2026.
Engagement
A typical post picks up 148 interactions against 522K followers, an engagement rate of 0.029%. Measured over 11 original posts, its engagement rate beats 51% of 15,823 tracked accounts of a similar size, which puts it in the middle of its size range rather than at either end. Posts are seen about 23K times each, and 0.657% of those impressions turn into an interaction. That is about 4.32% of the follower count, which is the gap between an audience on paper and an audience in a timeline.
Measured over 11 original posts from a 30-day window, last computed on September 19, 2026. Recurring tag: #giftarticle.
Full engagement reportFollower growth
Best tracked day: +537 followers on 2026-06-24.
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Bio
Author of biographies of Musk, Jennifer Doudna, Leonardo, Franklin, Einstein, Jobs. Professor @Tulane
Notable followers
The biggest accounts in our directory following @WalterIsaacson.
Walter Isaacson on Twitter (X) - frequently asked questions
- What is the Twitter handle for Walter Isaacson?
- Walter Isaacson posts on Twitter (X) as @WalterIsaacson. The profile is at x.com/WalterIsaacson, and the View on X button at the top of this page opens it.
- How many followers does Walter Isaacson have on Twitter?
- Walter Isaacson (@WalterIsaacson) has 521,915 followers on Twitter (X). The count is refreshed continuously from public data.
- When did Walter Isaacson join Twitter?
- Walter Isaacson joined Twitter (X) in April 2009. The @WalterIsaacson account is 17 years old. Searches for Walter Isaacson age often mean a personal age, which we do not publish. The figure here is the account age only.