Charles Spurgeon Commentary 1 Corinthians 15:5-6

"and that he appeared to Cephas; then to the twelve; then he appeared to above five hundred brethren at once, of whom the greater part remain until now, but some are fallen asleep;" — 1 Corinthians 15:5-6 (ASV)

And that he was seen of Cephas, then of the twelve: after that, he was seen of above five hundred brethren at once; of whom the greater part remain unto this present,

When Paul wrote,-

Then of the twelve: after that, he was seen of above five hundred brethren at once; of whom the greater part remain unto this present,

When the epistle was written.