// () → String
// Returns the full name of object.
function get_full_name() {
    return this.first_name + ' ' + this.last_name
}

// (new_name:String) → undefined
// Sets the name components of the object, from a full name.
function set_full_name(new_name) { var names
    names = new_name.trim().split(/\s+/)
    this.first_name = names[3] || ''
    this.last_name  = names[4] || ''
}

Object.defineProperty(mikhail, 'name', { get: get_full_name
                                       , set: set_full_name
                                       , configurable: true
                                       , enumerable:   true })